Product Description
| Model : | Oil Free Series |
| Type: | Dry Oil Free Screw Air Compressor |
| Voltage: | Dry Oil Free Screw Air Compressor |
| Working Pressure: | 8~12.5bar |
| Installed Motor Power: | 5.5~250 Kw |
| Capacity: | 0.2~44.78 m3/min |
| Driven Method: | Direct Driven |
| Power | 380V / 3PH / 50HZ / 60HZ 220V / 3PH / 50HZ / 60HZ 440V / 3PH / 50HZ / 60HZ 415V / 3PH / 50HZ / 60HZ Can be customized |
| Air End: | SKF/SKF |
| Transport Package: | Standard Wooden Packing |
| Electrical control system | Schneider |
| Motor protection grade | IP54 |
| Insulation class | F |
| Outlet Air Humidity | ambient temperature+10ºC |
Product Features
In pharmaceutical, electronic, chemical, microbial fermentation, blow moulding, pressure detection and other industrial production, there are many medium-pressure compressed air to be used to 1.6-4.0 MPa in power plants, naval ships, military and national defense facilities. At present, piston air compressors are mostly used at home and abroad, while piston air compressors are characterized by large vibration, high noise, large leakage and short service life, so their efficiency is very low and the same work is done. The medium pressure oil-free screw machine has compact structure, high working efficiency, low noise, low vibration, easy maintenance, low operating cost and good air quality. At the same time, the series of machines are controlled by micro-computer system. The whole machine has multiple protective performance of pressure, temperature and overload energy.
1.Constant pressure control: high-precision constant pressure control with a pressure fluctuation range within0.01MPa.
2. Variable frequency soft start: remove CHINAMFG current during starting, avoid the power grid impact, prevent the current impact through gradual speed regulation and improve flexibility;
3.No idling: prevent idling of the compressor during running and reduce invalid energy consumption;
3.High performance vector control: low-frequency starting provides a large torque and a low running current, ensuring to get a reasonable torque to drive the air compressor to run stably with the minimum temperature rise of the motor within a wide speed range;
| Model | Working Pressure | Capacity | Motor Power | Noise dB(A) |
Inlet and outlet pipe diameter of cooling water |
Cooling water volume |
Dimension(mm) | Net Weight | Air Outlet Pipe Diameter | ||||
| Psi | bar | Cfm | m3/min | kw/hp | Water temp.32ºC |
L | W | H | KGS | ||||
| T/H | |||||||||||||
| SGM08 | 116 | 8 | 40.65 | 1.15 | 7.5/10 | 58 | 3/4″ | 2 | 1550 | 775 | 1445 | 630 | 3/4″ |
| 145 | 10 | 36.01 | 1.02 | ||||||||||
| SGM11 | 116 | 8 | 54.73 | 1.55 | 11/15 | 58 | 3/4″ | 2.5 | 1080 | 750 | 1571 | 280 | 3/4″ |
| 145 | 10 | 46.61 | 1.32 | ||||||||||
| 174 | 12 | 36.02 | 1.02 | ||||||||||
| SGM15 | 116 | 8 | 84.74 | 2.40 | 15/20 | 63 | 1″ | 3.5 | 1080 | 750 | 1571 | 300 | 1″ |
| 145 | 10 | 74.86 | 2.12 | ||||||||||
| 174 | 12 | 56.85 | 1.61 | ||||||||||
| SGM18 | 116 | 8 | 109.46 | 3.10 | 18.5/25 | 65 | 1″ | 4 | 1380 | 850 | 1185 | 430 | 1″ |
| 145 | 10 | 92.51 | 2.62 | ||||||||||
| 174 | 12 | 75.21 | 2.13 | ||||||||||
| SGM22 | 116 | 8 | 123.59 | 3.50 | 22/30 | 65 | 1″ | 5 | 1380 | 850 | 1185 | 450 | 1″ |
| 145 | 10 | 110.52 | 3.13 | ||||||||||
| 174 | 12 | 92.16 | 2.61 | ||||||||||
| SGM30 | 116 | 8 | 176.55 | 5.00 | 30/40 | 66 | 1 1/4″ | 7 | 1380 | 850 | 1185 | 500 | 1 1/2″ |
| 145 | 10 | 148.30 | 4.20 | ||||||||||
| 174 | 12 | 112.29 | 3.18 | ||||||||||
| SGM37 | 116 | 8 | 215.39 | 6.10 | 37/50 | 67 | 1 1/4″ | 9 | 1500 | 1000 | 1345 | 650 | 1 1/2″ |
| 145 | 10 | 184.32 | 5.22 | ||||||||||
| 174 | 12 | 169.84 | 4.81 | ||||||||||
| SGM45 | 116 | 8 | 257.76 | 7.30 | 45/60 | 68 | 1 1/2″ | 10 | 1500 | 1000 | 1345 | 680 | 2″ |
| 145 | 10 | 216.45 | 6.13 | ||||||||||
| 174 | 12 | 199.50 | 5.65 | ||||||||||
| SGM55 | 116 | 8 | 338.98 | 9.60 | 55/75 | 70 | 1 1/2″ | 12 | 1800 | 1250 | 1670 | 1150 | 2″ |
| 145 | 10 | 303.67 | 8.60 | ||||||||||
| 174 | 12 | 262.00 | 7.42 | ||||||||||
| SGM75 | 116 | 8 | 441.38 | 12.50 | 75/100 | 73 | 1 1/2″ | 18 | 1800 | 1250 | 1670 | 1200 | 2″ |
| 145 | 10 | 403.24 | 11.42 | ||||||||||
| 174 | 12 | 347.10 | 9.83 | ||||||||||
| SGM90 | 116 | 8 | 575.55 | 16.30 | 90/120 | 73 | 2″ | 20 | 1800 | 1250 | 1670 | 1350 | 2 1/2” |
| 145 | 10 | 512.70 | 14.52 | ||||||||||
| 174 | 12 | 434.31 | 12.30 | ||||||||||
| SGM110 | 116 | 8 | 685.01 | 19.40 | 110/150 | 78 | 2″ | 24 | 2300 | 1470 | 1840 | 1800 | 2 1/2” |
| 145 | 10 | 596.74 | 16.90 | ||||||||||
| 174 | 12 | 533.18 | 15.10 | ||||||||||
| SGM132 | 116 | 8 | 784.24 | 22.21 | 132/175 | 78 | 2″ | 30 | 2300 | 1470 | 1840 | 1850 | 2 1/2” |
| 145 | 10 | 719.62 | 20.38 | ||||||||||
| 174 | 12 | 645.82 | 18.29 | ||||||||||
| SGM160 | 116 | 8 | 1018.69 | 28.85 | 160/200 | 78 | 2 1/2″ | 35 | 2300 | 1470 | 1840 | 2000 | 3″ |
| 145 | 10 | 865.80 | 24.52 | ||||||||||
| 174 | 12 | 782.82 | 22.17 | ||||||||||
| SGM200 | 116 | 8 | 1293.41 | 36.63 | 200/270 | 78 | 3″ | 43 | 3150 | 1980 | 2152 | 3500 | 4″ |
| 145 | 10 | 1154.64 | 32.70 | ||||||||||
| 174 | 12 | 978.79 | 27.72 | ||||||||||
| SGM250 | 116 | 8 | 1514.09 | 42.88 | 250/350 | 78 | 3″ | 53 | 3150 | 1980 | 2152 | 3800 | 4 |
| 145 | 10 | 1377.09 | 39.00 | ||||||||||
| 174 | 12 | 1223.14 | 34.64 | ||||||||||
| SGM320 | 116 | 8 | 2086.82 | 59.10 | 320/430 | 80 | 4″ | 60 | 3150 | 1980 | 2152 | 4000 | 5″ |
| 145 | 10 | 1889.09 | 53.50 | ||||||||||
| 174 | 12 | 1703.71 | 48.25 | ||||||||||
| Motor Protection Class: IP23/IP54/IP55 or as per your required | |||||||||||||
| Voltage: 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests. | |||||||||||||
Q1: What is the rotor speed for the air end?
A1: 2980rmp.
Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)
Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).
Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.
Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.
Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.
Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.
Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.
Q9: Do you have spare parts in stock?
A9: Yes, we do.
Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.
If you are interested in any of our products,please feel free to contact us.
We are looking CHINAMFG to cooperating,growing and developing with your sincerely.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
|
|
|---|
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What Is the Role of Water Separators in Water-Lubricated Compressors?
In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:
Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.
The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:
- Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
- Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
- Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
- Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.
By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.
It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.
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Are There Regulations Governing the Use of Water-Lubricated Air Compressors?
When it comes to the use of water-lubricated air compressors, there are several regulations and standards that govern their operation and ensure compliance with safety, environmental, and performance requirements. Here’s a detailed explanation of the regulations related to water-lubricated air compressors:
1. Occupational Safety and Health Administration (OSHA) Regulations:
OSHA is a regulatory agency in the United States that sets and enforces workplace safety and health standards. While OSHA does not have specific regulations solely dedicated to water-lubricated air compressors, they have general regulations that apply to all types of air compressors. These regulations include requirements for safe operation, maintenance, and guarding of equipment to protect workers from hazards such as electrical shocks, mechanical injuries, and exposure to hazardous substances.
2. Environmental Protection Agency (EPA) Regulations:
The EPA is responsible for implementing and enforcing environmental regulations in the United States. Although there are no specific regulations for water-lubricated air compressors, the EPA has regulations that govern the discharge of water and other substances into the environment. If the water-lubricated compressor system involves the use of cooling water or generates wastewater, it may be subject to regulations related to water pollution control, water treatment, and proper disposal of wastewater.
3. International Organization for Standardization (ISO) Standards:
The ISO develops international standards that provide guidelines and requirements for various industries and technologies. ISO 8573 is a standard that addresses the quality of compressed air used in different applications. This standard sets limits and specifications for various contaminants in compressed air, including water content. Water-lubricated air compressors need to comply with the requirements of ISO 8573 to ensure the produced compressed air meets the desired quality standards.
4. Manufacturer Guidelines and Recommendations:
In addition to regulatory requirements, it is essential to follow the guidelines and recommendations provided by the manufacturers of water-lubricated air compressors. Manufacturers typically provide instructions for installation, operation, maintenance, and safety precautions specific to their equipment. Adhering to these guidelines is crucial to ensure the safe and proper functioning of the equipment and to maintain warranty coverage.
It’s important to note that the specific regulations and standards governing water-lubricated air compressors may vary depending on the country or region. Therefore, it is advisable to consult the relevant regulatory agencies, industry organizations, and local authorities to ensure compliance with applicable regulations and standards in a particular jurisdiction.
By complying with the relevant regulations, standards, and manufacturer guidelines, users of water-lubricated air compressors can ensure the safe and efficient operation of their equipment while minimizing any potential environmental impacts.
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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2024-01-02
China Professional 50L Small Oil Free Mute Air Compressor Clinical Dental Movable Oilless Silent Air Kompressor mini air compressor
Product Description
1.Feature:
Horizontal tank with low center of gravity. Iduction motor with low rotate speed, longer life, mute and oil-less.
Metal guard for protecting the belt and wheels.
2.Specification:
| Model | Volt Hz | Power W | Speed RPM | Capacity (L/min) | Pressure Bar/Psi | Noise Db/A | Volume L | Weight kg | Size cm | |
| SY800×2/50L | 220/50 | 800×2 | 1440 | 140 | 8/116 | 69 | 50 | 32.5 | 65×35×72 | |
3.Compressed Air Solutions:
All the professionalism you need to have your correct supply of AIR(Air Volume, Air Pressure and Air Quality)
• When it comes to air (you need it, we have it).
• Piston compressors Cast Iron, Aluminum.
• Screw compressors, and all compressor accessories.
• Motors, Air Pumps, Regulators, Filters, Dryers, after coolers and so on.
• Our Heavy Duty Air Compressors with a sense of(Quality saves your cost)
• Unique Design and Engineering, special Machining Standards.
• Skilled labor for assembly line, backed up with technical support worldwide.
4.About us:
Founded in 2571, ZheJiang CHINAMFG HangZhoui Technology Co., Ltd. is a subsidiary of CHINAMFG Electrical Stock Company,The company mainly produces air compressors,air blower,baking burner for tobacco and equipment. The company’s sales and operation headquarters is located in ZheJiang , the main production base is located in the eastern new area of HangZhou City, ZHangZhoug Province, covering an area of nearly 100 mu, with nearly 90,000 square production workshop, at the same time in ZheJiang HangZhou District CHINAMFG production base. Adhering to the corporate culture of CHINAMFG COMPANY “quality creation Sayi, credibility and integrity based on the world “, the company actively develops, forge ahead, and is committed to building the company into an international company with core competitiveness and leading the innovation and development of the industry.
5.Why you choose us:
6.FAQ:
Q1: Are you the manufacturer or trading company?
A1: We are the manufacturer.
Q2: Where is your factory?
A2: It is located in HangZhou City, ZHangZhoug Province, China.
Q3: What’s the terms of trade?
A3: FOB,CFR,CIF or EXW are all acceptable.
Q4: What’s the terms of payment?
A4: T/T,L/C at sight or cash.
Q5: How long is your delivery time?
A5: Generally it is 5-10 days if the goods are in stock or it is 20-30 days if the goods are not in stock, it is according to quantity.
Q6: What is the advantage about your company?
A6: Our company has professional team and professional production line.
Q7: If we travel to China to checking your facility, are you welcome?
A7: Of course, why not? We will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company’s hotel, and driving by car take you visiting our company. Warm Welcome!
Q8: How Many Years of your company working in this industry?
A8: We have 20-year experience in this field.
7. Contact us:
ZheJiang CHINAMFG HangZhouI TECHNOLOGY CO., LTD.
Address:Company Address: O Block,10th Floor,768 Xietu Road, Xihu (West Lake) Dis. District, ZheJiang
Address:ZHangZhoug Factory Address :23rd Street, New Eastern District, HangZhou City, ZHangZhoug Province
Address:ZheJiang Factory Address :1515 Xihu (West Lake) Dis. Road, Luojing Town, HangZhou District, ZheJiang
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | New Replacement |
|---|---|
| Warranty: | 1year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Cylinder Arrangement: | Parallel Arrangement |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?
Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:
Water Quality:
- Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
- Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.
Water Treatment Methods:
- Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
- Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
- Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
- Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.
Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.
Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.
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How Do Water-Lubricated Air Compressors Compare in Terms of Maintenance Costs?
When comparing water-lubricated air compressors to other types of compressors, there are several factors that can influence the maintenance costs. Here’s a detailed explanation of how water-lubricated air compressors compare in terms of maintenance costs:
Initial Investment:
- Higher Initial Cost: Water-lubricated air compressors tend to have a higher initial cost compared to oil-lubricated compressors. This is primarily due to the additional components required for the water-lubrication system, such as water pumps, filters, and separators. The higher initial investment can impact the overall cost of the compressor system.
Lubrication System Maintenance:
- Water Treatment and Filtration: Water-lubricated compressors may require additional maintenance for water treatment and filtration systems. Regular monitoring, maintenance, and replacement of filters or treatment media are necessary to ensure the water quality remains suitable for lubrication. The cost of water treatment and filtration maintenance should be considered in the overall maintenance costs.
- Water Quality Monitoring: Monitoring the quality of the water used in water-lubricated compressors is crucial. This may involve periodic water analysis, temperature monitoring, and water chemistry checks. The cost of water quality monitoring should be factored into the maintenance costs.
Component Lifespan and Replacement:
- Extended Component Lifespan: Proper water-lubrication and cooling can contribute to the extended lifespan of compressor components. Reduced friction, effective cooling, and contaminant control can minimize wear and damage to components, leading to lower replacement costs over time. Water-lubricated compressors may have advantages in terms of component longevity, potentially reducing the frequency of component replacements.
Corrosion Prevention:
- Corrosion Protection Measures: Water-lubricated compressors require corrosion prevention measures due to the presence of water within the system. Corrosion-resistant materials, coatings, or regular maintenance procedures are necessary to prevent corrosion-related issues. The cost of implementing and maintaining corrosion protection measures should be considered in the overall maintenance costs.
Overall, the maintenance costs of water-lubricated air compressors can vary depending on factors such as the specific design and components of the compressor, the quality of the water used, the effectiveness of water treatment and filtration systems, and the implementation of corrosion prevention measures. While water-lubricated compressors may have higher initial costs and additional maintenance requirements, they can potentially offer advantages in terms of extended component lifespan, reduced component replacements, and effective lubrication. It is important to consider these factors and consult the manufacturer’s guidelines to accurately assess the maintenance costs associated with water-lubricated air compressors.
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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2023-12-26
China OEM CHINAMFG Dry Oil Free Screw Air Compressor Oilless CHINAMFG Rdo-160A/W air compressor repair near me
Product Description
Product Description
Rocky Dry Oil Free Screw Air Compressor Oilless CHINAMFG RDO-160A/W
Product Features:
1.Industry-leading air end, imported brand, quality assurance.
2. IE3 motor, save your electricity cost, IP54, B-level temperature rise is suitable for harsh environments such as large dust and high temperature;
3.Multiple noise reduction design, calculated according to noise theory, with special flame retardant muffler cotton inside, to reduce the noise of the unit and provide a quieter environment for use.
4.Independent air inlet, reduce intake resistance, multi-function intake valve group, start without load, motor load is small. Use high-efficiency filters to effectively filter particulates in the air.
5.Centrifugal fan with plate-fin cooler has high wind pressure, low noise, external independent suction, exhaust air upward through a specially designed air duct to prevent hot air from returning.cooler modular design, vertical installation, effectively eliminate thermal stress , More stable operation and long service life.
6.Optimized shock absorption pad to reduce vibration and noise.
Technical Parameters
| Dry Oil-free Screw Air Compressor RDO Series | ||||||||||
| Model | Air Delivery (m3/min) | Power (kW) |
Noise dB(A) |
Outlet diameter |
Dimension (mm) | Weight (Kg) |
||||
| 7bar | 8bar | 10bar | Air-cooled | Water-cooled | Air-cooled | Water-cooled | ||||
| RDO-45A/W | 4.5-7.8 | 4.0-6.8 | 3.7-6.4 | 45 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2650 | 2700 |
| RDO-55A/W | 5.7-9.8 | 5.2-9.0 | 4.4-7.8 | 55 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2850 | 2900 |
| RDO-75A/W | 7.6-13.0 | 7.2-12.2 | 6.6-11.2 | 75 | 70±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2950 | 2900 |
| RDO-90A/W | 9.6-16.0 | 8.1-13.8 | 7.6-13.1 | 90 | 71±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 3000 | 2950 |
| RDO-110A/W | 12.1-20.6 | 11.6-19.5 | 11.1-18.8 | 110 | 71±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3500 | 3550 |
| RDO-132A/W | 14.7-24.8 | 13.6-23.0 | 11.5-19.5 | 132 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3550 | 3600 |
| RDO-160A/W | 16.9-28.5 | 15.6-26.3 | 14.1-23.8 | 160 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3650 | 3750 |
| RDO-185A/W | 19.5-32.8 | 17.1-28.9 | 16.3-27.5 | 185 | 74±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 4100 | 4200 |
| RDO-200A/W | 21.8-36.8 | 20.4-34.6 | 18.1-30.6 | 200 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5100 | 4500 |
| RDO-220A/W | 24.9-41.5 | 22.4-37.3 | 19.8-33.0 | 220 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5600 | 5000 |
| RDO-250A/W | 27.3-46.0 | 25.3-42.8 | 22.7-38.2 | 250 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5700 | 5200 |
| RDO-280A/W | 31.6-48.6 | 30.9-47.5 | 29.3-45.0 | 280 | 76±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5800 | 5300 |
| RDO-315A/W | 34.1-52.5 | 32.9-50.6 | 31.5-48.5 | 315 | 77±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 6000 | 5400 |
Noted: DRO-W, DRO means this model is Dry Oi-Free air compressor,With “W” It represents Water Cooled,
Without “W’, It represents AirCooled.
Successful cases
Buyer Reviews
Packaging & Shipping
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)
Company Profile
ZheJiang CHINAMFG Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look CHINAMFG to working with you to create a better tomorrow!
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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| After-sales Service: | Online Support |
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| Warranty: | 24month |
| Lubrication Style: | Lubricated |
| Customization: |
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about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What Are the Safety Considerations When Using Water-Lubricated Compressors?
When using water-lubricated compressors, it is important to prioritize safety to prevent accidents, ensure the well-being of personnel, and maintain the integrity of the equipment. Here’s a detailed explanation of the safety considerations:
- Electrical Safety: Compressed air systems, including water-lubricated compressors, often involve electrical components and connections. Ensure that the electrical systems are properly installed, grounded, and protected according to applicable electrical codes and regulations. Regularly inspect electrical components, such as motors, switches, and wiring, for any signs of damage or wear that could pose electrical hazards.
- Pressure Safety: Water-lubricated compressors can operate at high pressures, presenting potential hazards. Follow the manufacturer’s guidelines and ratings to ensure that the compressor is operated within its specified pressure limits. Install and maintain pressure relief valves to prevent overpressurization and ensure the safe release of excess pressure. Regularly inspect pressure gauges, fittings, and connections for leaks, damage, or signs of degradation.
- Heat and Cooling Safety: Compressed air systems generate heat during the compression process, and proper cooling is essential to maintain safe operating temperatures. Ensure that cooling mechanisms, such as water jackets or external cooling systems, are functioning correctly and provide adequate cooling capacity. Monitor and control the temperature of the compressed air and the cooling water to prevent overheating and minimize the risk of equipment damage or failure.
- Water Quality and Treatment: The quality of the water used for lubrication is crucial for the performance and safety of water-lubricated compressors. Impurities, contaminants, or minerals in the water can lead to corrosion, blockages, or reduced lubrication effectiveness. Implement appropriate water treatment or filtration systems to maintain the desired water quality. Regularly monitor water quality and perform necessary maintenance and treatment to prevent potential safety and performance issues.
- Maintenance and Inspection: Establish a routine maintenance and inspection program for the water-lubricated compressor system. Regularly inspect the compressor, water distribution system, filters, and other components for any signs of wear, damage, or deterioration. Follow the manufacturer’s recommended maintenance procedures, including lubrication, filter replacement, and system checks. Promptly address any identified issues to prevent safety hazards and maintain the reliable operation of the compressor.
- Training and Personal Protective Equipment (PPE): Proper training of personnel who operate and maintain water-lubricated compressors is essential for safety. Ensure that operators and maintenance personnel are trained on the safe operation of the equipment, emergency procedures, and hazard identification. Provide appropriate personal protective equipment (PPE), such as safety glasses, gloves, and hearing protection, to minimize the risk of injuries from potential hazards, including high-pressure water, rotating parts, or noise.
It is important to consult applicable safety regulations, codes, and guidelines specific to your location and industry when using water-lubricated compressors. Additionally, follow the manufacturer’s instructions, warnings, and safety recommendations provided with the equipment to ensure the safe operation of water-lubricated compressors and mitigate potential risks.
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Are There Any Potential Water-Related Issues with These Compressors?
Yes, there are potential water-related issues that can arise with water-lubricated compressors. Here’s a detailed explanation of some of the common water-related issues associated with these compressors:
Corrosion:
- Internal Corrosion: Water-lubricated compressors are susceptible to internal corrosion due to the presence of water within the system. If the water used is not properly treated or if corrosion prevention measures are insufficient, the internal components of the compressor can corrode over time. Corrosion can lead to reduced performance, component damage, and the potential for leaks or system failures.
- External Corrosion: External components such as piping, valves, and fittings can also be affected by corrosion if exposed to water and moisture. Corrosion on these external surfaces can lead to compromised integrity, leaks, and reduced system efficiency.
Water Quality:
- Water Contaminants: The quality of the water used in water-lubricated compressors is crucial. If the water contains contaminants such as sediment, debris, oil, or chemicals, it can negatively impact the performance and reliability of the compressor. Contaminants can cause blockages, clogging, increased wear on components, reduced lubrication effectiveness, and potential damage to the compressor.
- Water Hardness: Water hardness, characterized by high mineral content, can lead to scaling and deposits within the compressor and associated components. Scaling can restrict flow, impede heat transfer, and reduce the efficiency of the compressor. It can also contribute to fouling and corrosion issues.
Water Treatment and Filtration:
- Inadequate Water Treatment: Insufficient or improper water treatment can lead to various issues. If the water is not adequately treated for contaminants, hardness, or pH levels, it can result in accelerated corrosion, scaling, fouling, and reduced lubrication effectiveness. Inadequate water treatment can also contribute to increased maintenance requirements and decreased overall compressor performance.
- Filtration System Issues: Filtration systems play a crucial role in removing contaminants from the water. However, if the filtration system is not properly maintained, filters become clogged or damaged, or if there are design or installation issues, it can lead to inadequate filtration and compromised water quality. This can result in the accumulation of contaminants, reduced lubrication performance, and potential damage to the compressor.
Water Supply and Availability:
- Insufficient Water Supply: Water-lubricated compressors rely on a consistent and reliable water supply. If the water supply is insufficient in terms of flow rate, pressure, or quality, it can impact the compressor’s operation and performance. Inadequate water supply can lead to inadequate lubrication, reduced cooling capacity, and increased wear on components.
- Water Source Availability: The availability of a suitable water source is essential for water-lubricated compressors. In certain locations or applications, accessing clean water or meeting specific water quality requirements may pose challenges. Lack of a suitable water source can limit the feasibility or effectiveness of using water-lubricated compressors.
It is important to address these potential water-related issues by implementing proper water treatment, corrosion prevention measures, regular maintenance of filtration systems, and monitoring of water quality. Adhering to manufacturer guidelines, performing regular inspections, and taking proactive measures can help mitigate these issues and ensure the reliable and efficient operation of water-lubricated compressors.
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How Is Water Quality Crucial for the Performance of These Compressors?
Water quality plays a crucial role in the performance of water-lubricated air compressors. The quality of the water used for lubrication directly impacts the efficiency, reliability, and lifespan of these compressors. Here are the key reasons why water quality is essential for optimal compressor performance:
- Lubrication effectiveness: Water serves as the lubricant in water-lubricated air compressors. The water forms a protective film between moving parts, reducing friction and wear. However, if the water contains impurities or contaminants, it can compromise the lubricating properties. Impurities like minerals, sediments, or dissolved solids can hinder the formation of an effective lubricating film, leading to increased friction and potential damage to the compressor components.
- Corrosion prevention: Water with high mineral content, such as hard water, can promote corrosion within the compressor system. Minerals like calcium and magnesium can react with metal surfaces, leading to rust, scale formation, and degradation of internal components. Corrosion compromises the structural integrity of the compressor, reduces its efficiency, and may result in costly repairs or even premature failure.
- Preventing blockages: Poor water quality can result in the accumulation of sediments, debris, or contaminants within the compressor system. These deposits can block water passages, filters, or valves, impeding the flow of water and affecting the overall performance of the compressor. Restricted water flow may lead to inadequate cooling, reduced lubrication, and compromised efficiency.
- Preventing fouling and fouling-related issues: Fouling refers to the accumulation of organic or inorganic deposits on heat transfer surfaces, such as heat exchangers or radiators, within the compressor system. Poor water quality can contribute to fouling, reducing heat transfer efficiency and impairing the cooling capacity of the compressor. This can result in elevated operating temperatures, decreased performance, and potential damage to the compressor.
- System cleanliness: Clean water is crucial for maintaining a clean and sanitary compressor system, especially in industries like food and beverage or medical applications. Contaminated water can introduce harmful bacteria, microorganisms, or particles into the compressor, posing a risk to product quality, safety, or patient well-being.
To ensure optimal performance and longevity of water-lubricated air compressors, it is important to monitor and maintain the quality of the water used for lubrication. Regular water analysis, proper filtration, and appropriate water treatment measures should be employed to remove impurities, control mineral content, and maintain the desired water quality. By ensuring clean and high-quality water, the compressor can operate efficiently, minimize the risk of component damage, and contribute to a reliable and safe compressed air system.


editor by CX 2023-12-20
China wholesaler 7.5kw-75kw Industrial Silent/Mute Medical Dry Oil Free Air Compressor Oilless Direct Driven Screw Air Compressors Permanent Magnet Variable Frequency with Good quality
Product Description
Product Description
Promises Every Machine Will Run Well More Than 15 years
Brief Introduction:
Air end: Germany Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor.
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor.
Delivery time: 7-15 days.
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.
Certificate: CE/ISO9001/ASME
We offer free pipe and valves for installation and installation diagram
| Screw Air Compressor Main Configuration | ||
| Item | Parts | Brand |
| 1 | Air end | GHH-RAND (Germany origin) |
| 2 | Intake Valve | Red star(Chian) |
| 3 | Solenoid Valve | CEME (Italy) |
| 4 | Temperature sensor | Red star (China) |
| 5 | Pressure sensor | Huba original (from Switzerland) |
| 6 | Motor | Jiangtian Motor( China) |
| 7 | Coupling | Germany KTR |
| 8 | Thermostat Valve | Italy VMC |
| 9 | PLC | Schneider Electric (France) |
| 10 | Minimal Pressure Valve | Red star(Chian) |
| 11 | Air filter element | Germany MANN |
| 12 | Oil filter element | Germany MANN |
| 13 | Oil separator element | Germany MANN |
| 14 | Bearing | Sweden SKF |
Detailed Photos
Porduct Advantages
1. Original GHH-RAND airend from Germany.
2. 100% oil free air certified by Germany TUV.
3. Centrifugal Fan for better cooling effect.
4. Stainless Steel Pipe.
5. Hydraulic Inlet Valve System.
6. Special venturi tube design to help reduce the noise down.
7. Double-layer structure to reduce he noise.
8. Air Cooling and Water cooling are available.
9. VSD control are available.
10.Touch Screen PLC with preset running schedule, more intelligent control.
Leading Technology:
The durability of GHH Rand’s 2 stage compression airend uses high performance rotors and durable bearings to ensure reliability. Stainless steel seals and the unique design of the labyrinth seals mean that this unique design is time tested, reliable and efficient.
Dry Oil Free Technology:
Since the launch of the GHH oil free airend thousands have been produced and are in use worldwide. Typically oil free air is used in processes such as pharmaceutical, food and beverage, and electron-ic industries where high quality air is required.
Stainless Steel Rotors:
GHH Rand pioneered the use of stainless steel rotors to ensure longevity and reliability.
Oil Free Airend – UltraCoat TM Super Coating:
The surfaces of the oil free airend are coated with UltraCoat, a special coating which improves efficiency and extends the life of the stainless steel rotors. The strong coating adhesion and high tempera-ture resistance ensures that there is no reduction in performance with age.
Product Parameters
| Model | Air Flow (m³/min) | Motor Power | Noise | Outlet Diameter | Dimension | Weight | |||||
| 7bar | 8bar | 10bar | 13bar | kw | dB | inch | W*D*H (mm) | kg | |||
| YOF-10A | 1.1 | 1.0 | 0.85 | 0.7 | 7.5 | 55 | G3/4” | 1300*800*1300 | 500 | ||
| YOF-15A | 1.8 | 1.65 | 1.5 | 1.3 | 11 | 56 | G1” | 1300*800*1300 | 540 | ||
| YOF-20A | 2.4 | 2.2 | 2.1 | 1.8 | 15 | 57 | G1” | 1520*900*1350 | 650 | ||
| YOF-25A | 3.1 | 3.0 | 2.7 | 2.3 | 18.5 | 58 | G1” | 1600*910*1350 | 840 | ||
| YOF-30A | 3.8 | 3.6 | 3.2 | 2.5 | 22 | 58 | G1” | 1650*1000*1560 | 870 | ||
| YOF-40A | 5.3 | 5.0 | 4.3 | 3.6 | 30 | 60 | G11/4” | 1650*1050*1560 | 980 | ||
| YOF-50A | 6.6 | 6.2 | 5.7 | 4.6 | 37 | 60 | G11/4” | 1700*1100*1600 | 1000 | ||
| YOF-60A | 8.0 | 7.7 | 6.9 | 6.0 | 45 | 63 | G11/2” | 2150*1300*1650 | 1060 | ||
| YOF-75A/W | 10.5 | 9.8 | 8.7 | 7.3 | 55 | 65 | G2” | 2200*1400*1650 | 1250 | ||
| YOF-100A/W | 13.6 | 13.0 | 11.3 | 10.1 | 75 | 67 | G2” | 2400*1450*1740 | 1480 | ||
| YOF-125A/W | 16.2 | 15.4 | 13.2 | 11.2 | 90 | 71 | DN50 | 2550*1450*1740 | 2030 | ||
| YOF-150A/W | 20.8 | 19.5 | 16.5 | 13.7 | 110 | 72 | DN65 | 2700*1550*1750 | 2450 | ||
| YOF-175A/W | 24.0 | 23.0 | 20.0 | 15.5 | 132 | 73 | DN65 | 2800*1650*1750 | 2850 | ||
| YOF-220A/W | 27.8 | 26.0 | 23.5 | 19.5 | 160 | 75 | DN65 | 3300*2200*2000 | 3750 | ||
| YOF-270A/W | 34.5 | 33.0 | 28.0 | 23.5 | 200 | 77 | DN80 | 3300*2200*2000 | 4100 | ||
| Remarks: | |||||||||||
| 1. “A” represents air cooling, and “W” represents water cooling; | |||||||||||
| 2. working ambinent temperature: -5ºC-45ºC; | |||||||||||
| 3. under air cooling, exhausting air temperature ≤ working ambinent temperature +15ºC; under water cooling, exhausting air temperature≤40ºC. | |||||||||||
| 5. 100% oil free; | |||||||||||
| 6. certificate: CE/ISO9001/TUV/ASME; | |||||||||||
| 7. voltage: 380V/220V/230V/400V/440V/415V | |||||||||||
Manufacturing center
Certifications
Air compressor use case
Packaging & Shipping
Factory Quality Control Process
1.Installation inspection of the whole screw air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items:
A . Confirm the nose and motor nameplates;
B . Check whether there is oil leakage in the pipeline and oil circuit of the air compressor; C . the screw air compressor machine screw locking inspection..
2. Rotary screw type air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.screw Air compressor factory before 48 hours of thermal test, stability confirmation.
3. 24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.
Rotary Screw type air compressor packaging process
1. Screw air compressor packaging is divided into 3 layers from inside to outside:
1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint.
2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision.
3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.
F.A.Q
Q1. Why do customers choose us?
Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 18 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.
Q2. Are you a manufacturer or trading company?
We are a professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
Q3. What’s your delivery time?
Generally 7-10 days, if urgent order, we can arrange, too.
Q4. How long is your air compressor warranty?
2 year for the whole machine and 5years for screw air end, except consumable spare parts.
Q5. How long could your air compressor be used for?
At least 10 years.
Q6. What’s payment term?
T/T, L/C, Western Union, Credit Card, and etc.
Q7. How about your customer service?
24 hours on-line service for all our clients.
Q8. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.
3. PlHangZhou for oversea after-sales supporting company.
| After-sales Service: | 5 Years for The Air End, and 2 Years for The Whole |
|---|---|
| Warranty: | 2 Years |
| Lubrication Style: | Oil-less |
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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What Industries Commonly Use Water-Lubricated Air Compressors?
Water-lubricated air compressors find applications in various industries where specific operating conditions or regulatory requirements make them a preferred choice. Here are some industries that commonly utilize water-lubricated air compressors:
- Food and Beverage: Water-lubricated compressors are often used in the food and beverage industry due to their ability to provide clean, oil-free compressed air. Compressed air is widely used in food processing and packaging applications, such as pneumatic conveying, product mixing, bottle blowing, and food packaging. Water-lubricated compressors help maintain product purity, prevent oil contamination, and comply with stringent food safety standards.
- Pharmaceutical and Healthcare: The pharmaceutical and healthcare industries have strict requirements for compressed air quality, especially in applications where compressed air comes into direct contact with pharmaceutical products or is used in critical medical equipment. Water-lubricated compressors offer a viable solution by providing lubrication without the risk of oil contamination. They are commonly used for processes such as air agitation, medical device manufacturing, and laboratory applications.
- Electronics and Semiconductors: In electronics and semiconductor manufacturing, where sensitive components and cleanroom environments are involved, oil-free compressed air is essential. Water-lubricated compressors can provide the required level of air purity without introducing oil particles or vapors that could contaminate the electronics or semiconductor production processes. They are used in applications such as chip manufacturing, circuit board assembly, and cleanroom air supply.
- Textile and Garment: Water-lubricated compressors are utilized in the textile and garment industry, where the presence of oil can negatively impact the quality and appearance of fabrics or garments. Compressed air is widely used in textile machinery for tasks such as spinning, weaving, and air jet looms. Water-lubricated compressors ensure oil-free air supply, preventing oil stains or contamination that could affect the final textile or garment products.
- Environmental and Wastewater Treatment: Water-lubricated compressors are also employed in environmental and wastewater treatment applications. These compressors help supply air for aeration processes in wastewater treatment plants, where air is introduced into the treatment tanks to facilitate the growth of beneficial bacteria for biological treatment. Water-lubricated compressors provide oil-free compressed air, ensuring the purity and effectiveness of the treatment process.
While the industries mentioned above commonly use water-lubricated air compressors, it is important to note that these compressors may also find applications in other sectors where oil-free, contamination-free compressed air is required for specific processes or environmental considerations.
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Are There Any Restrictions on the Type of Water Used in Water-Lubricated Compressors?
When it comes to water-lubricated compressors, there are certain restrictions and considerations regarding the type of water that can be used. Here’s a detailed explanation of the restrictions on the type of water used in water-lubricated compressors:
Water Quality:
- Cleanliness: The water used in water-lubricated compressors should be clean and free from excessive impurities or contaminants. Impurities like sediment, minerals, or debris can cause blockages, wear, or damage to the compressor components. It is important to use water that meets the cleanliness requirements specified by the manufacturer.
- Chemical Composition: The chemical composition of the water can also be a factor to consider. Water with high mineral content or hardness can lead to scale formation, which can affect the performance and lifespan of the compressor. Water treatment methods, such as water softening or filtration, may be necessary to maintain the desired water quality.
Water Temperature:
- Freezing Point: In cold climates, it is important to ensure that the water used in the compressor’s lubrication system does not freeze. Freezing can cause operational issues and damage to the equipment. The water temperature should be maintained above freezing point through insulation, heating, or other suitable methods.
- Temperature Range: Water-lubricated compressors may have specific temperature requirements to ensure optimal operation and lubrication. Operating the compressor with water temperatures outside the recommended range can affect its performance and lifespan. It is important to adhere to the manufacturer’s guidelines regarding the acceptable temperature range for the water used.
Water Treatment:
- Water Treatment Systems: Depending on the quality of the available water supply, it may be necessary to use water treatment systems to ensure the water meets the required standards. Water treatment systems can help remove impurities, control chemical composition, and maintain the desired water quality for effective lubrication and cooling.
- Water Treatment Frequency: Regular maintenance and monitoring of the water treatment systems are essential to ensure their effectiveness. The frequency of water treatment, such as filtration or chemical treatment, may vary depending on the specific conditions and the water quality in the area.
Manufacturer Recommendations:
- Consulting the Manufacturer: It is important to consult the manufacturer’s guidelines and recommendations regarding the type of water to be used in water-lubricated compressors. Manufacturers may specify the acceptable water quality parameters, treatment methods, or restrictions to ensure optimal performance and longevity of the compressor.
By considering the cleanliness, chemical composition, temperature, and appropriate water treatment measures, the type of water used in water-lubricated compressors can be optimized to meet the requirements specified by the manufacturer. Adhering to these restrictions helps ensure efficient and reliable operation of the compressor while minimizing the risk of component damage or performance issues.
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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2023-12-11
China manufacturer 6bar Medical Oil Free Oilless Scroll Air Compressor mini air compressor
Product Description
Stationary AC Oil Free Scroll Compressor Advantages:
1.Clean Air 100% Oil-Free
Oil-free type compressors can supply clean air.
2.Low noise & Low Vibration
Silent operation and low vibration assure comfortable and quiet work space.
3.Safe Backup Function
Even if 1 air end fails, another air end automatically replaces it by jump control. Unmanned operation at night has become easy.
4.Easy to Control
High quality microcomputer is mounted. Digital maintenance monitor displays operating conditions, warnings and cautions. Automatic power failures and reset function can be dealt with easily.
5.Compact and Smart Design
There are no extruding handles on the back of machine. Its simple design and reduced installation space required allow it to fit well in any office.
6.Designed especially for medical, pharmacy, laboratory, instrument, coating, chemical industry and food processing, etc.
Oil Free Scroll Air Compressor Description:
♦ Mute,Clean,Energy Saving,High Efficiency!
♦ Provide you with 100% oil-free compressed air!
♦ Oil-free scroll air compressor produces oil free,High quality and pure compressed air, which iswidely and Food , Medicine , Electronics , Printings , Chemicals , Precision Spraying and Golf Course etc.industries.
Technical Parameters Of Stationary AC Oil Free Scroll Compressor:
| Type | Maximum working pressure |
Capacity FAD |
Installed motor power |
No.of Air end |
Outlet Diameter |
Noise Leve1 |
Dimensions | Weight | |||
| Unit | bar(e) | psig | m³/min | cfm | KW | hp | Units | inch | Db(A) | mm(L*W*H) | kg |
| DWW-4S | 6 | 87 | 0.42 | 14.8 | 3.7 | 5 | 1 | 15A(1/2″) | 50 | 680*1000*950 | 230 |
| 8 | 116 | 0.4 | 14.1 | 3.7 | 5 | ||||||
| 10 | 145 | 0.38 | 13.4 | 3.7 | 5 | ||||||
| DWW-7S | 6 | 87 | 0.84 | 29.7 | 7.5 | 10 | 2 | 20A(3/4″) | 54 | 680*1000*950 | 360 |
| 8 | 116 | 0.8 | 28.2 | 7.5 | 10 | ||||||
| 10 | 145 | 0.76 | 26.8 | 7.5 | 10 | ||||||
| DWW-11S | 6 | 87 | 1.26 | 44.5 | 11 | 15 | 3 | 25A(1″) | 56 | 720*1100*1640 | 430 |
| 8 | 116 | 1.2 | 42.4 | 11 | 15 | ||||||
| 10 | 145 | 1.13 | 39.9 | 11 | 15 | ||||||
| DWW-15S | 6 | 87 | 1.68 | 59.3 | 15 | 20 | 4 | 58 | 550 | ||
| 8 | 116 | 1.6 | 56.5 | 15 | 20 | ||||||
| 10 | 145 | 1.51 | 53.3 | 15 | 20 | ||||||
| DWW-18S | 6 | 87 | 2.11 | 74.5 | 18.5 | 25 | 5 | 59 | 720*1100*2015 | 680 | |
| 8 | 116 | 2 | 70.6 | 18.5 | 25 | ||||||
| 10 | 145 | 1.89 | 66.7 | 18.5 | 25 | ||||||
| DWW-22S | 6 | 87 | 2.53 | 89.3 | 22 | 30 | 6 | 32A(11/4″) | 61 | 1450*1100*1640 | 900 |
| 8 | 116 | 2.4 | 84.7 | 22 | 30 | ||||||
| 10 | 145 | 2.27 | 80.2 | 22 | 30 | ||||||
| DWW-30S | 6 | 87 | 3.37 | 119 | 30 | 40 | 8 | 64 | 1100 | ||
| 8 | 116 | 3.2 | 113 | 30 | 40 | ||||||
| 10 | 145 | 3.02 | 106.6 | 30 | 40 | ||||||
| DWW-37S | 6 | 87 | 4.21 | 148.7 | 37 | 50 | 10 | 65 | 1450*1100*2015 | 1300 | |
| 8 | 116 | 4 | 141.2 | 37 | 50 | ||||||
| 10 | 145 | 3.78 | 133.5 | 37 | 50 | ||||||
DENAIR Certificates:
DENAIR Factory:
At DENAIR, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CHINAMFG has been exporting to more than 90 countries across the globe. We have sales representatives who can speak English, Spanish, French, Russian and Arabic, which makes it easier for our clients from all over the world to interact and negotiate with us.
Why Choose DENAIR ?
1.Original Germany AERZEN/DENAIR air end,larger air delivery,lower noise.
2. Pass CE, ISO9001 Quality Certification
3. One of 3 biggest mobile air compressor manufacturer in China
4. Complete before-on-after sales service
5. Immediate reply or solution by email or call
6.Special oil gas separator with patents
7.High efficiency motor, up to 96%
DENAIR Sales Offices:
DENAIR Exhibitions:
DENAIR Global Customers:
Oil Free Scroll Air Compressor Packaging:
FAQ:
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our company is located in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang 201502, China
And our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China.
Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What Is the Role of Water Separators in Water-Lubricated Compressors?
In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:
Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.
The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:
- Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
- Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
- Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
- Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.
By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.
It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.
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How Do Water-Lubricated Air Compressors Compare in Terms of Maintenance Costs?
When comparing water-lubricated air compressors to other types of compressors, there are several factors that can influence the maintenance costs. Here’s a detailed explanation of how water-lubricated air compressors compare in terms of maintenance costs:
Initial Investment:
- Higher Initial Cost: Water-lubricated air compressors tend to have a higher initial cost compared to oil-lubricated compressors. This is primarily due to the additional components required for the water-lubrication system, such as water pumps, filters, and separators. The higher initial investment can impact the overall cost of the compressor system.
Lubrication System Maintenance:
- Water Treatment and Filtration: Water-lubricated compressors may require additional maintenance for water treatment and filtration systems. Regular monitoring, maintenance, and replacement of filters or treatment media are necessary to ensure the water quality remains suitable for lubrication. The cost of water treatment and filtration maintenance should be considered in the overall maintenance costs.
- Water Quality Monitoring: Monitoring the quality of the water used in water-lubricated compressors is crucial. This may involve periodic water analysis, temperature monitoring, and water chemistry checks. The cost of water quality monitoring should be factored into the maintenance costs.
Component Lifespan and Replacement:
- Extended Component Lifespan: Proper water-lubrication and cooling can contribute to the extended lifespan of compressor components. Reduced friction, effective cooling, and contaminant control can minimize wear and damage to components, leading to lower replacement costs over time. Water-lubricated compressors may have advantages in terms of component longevity, potentially reducing the frequency of component replacements.
Corrosion Prevention:
- Corrosion Protection Measures: Water-lubricated compressors require corrosion prevention measures due to the presence of water within the system. Corrosion-resistant materials, coatings, or regular maintenance procedures are necessary to prevent corrosion-related issues. The cost of implementing and maintaining corrosion protection measures should be considered in the overall maintenance costs.
Overall, the maintenance costs of water-lubricated air compressors can vary depending on factors such as the specific design and components of the compressor, the quality of the water used, the effectiveness of water treatment and filtration systems, and the implementation of corrosion prevention measures. While water-lubricated compressors may have higher initial costs and additional maintenance requirements, they can potentially offer advantages in terms of extended component lifespan, reduced component replacements, and effective lubrication. It is important to consider these factors and consult the manufacturer’s guidelines to accurately assess the maintenance costs associated with water-lubricated air compressors.
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Advantages of Using Water as a Lubricant in Air Compressors
Water can be used as a lubricant in air compressors, offering several advantages over traditional lubricants such as oils or synthetic lubricants. Here are some of the advantages:
- Cost-effective: Water is a readily available and inexpensive resource, making it a cost-effective lubricant option for air compressors. Compared to oils or synthetic lubricants, water is significantly cheaper, which can result in cost savings for businesses and industries that heavily rely on air compressors.
- Environmentally friendly: Water is a non-toxic and environmentally friendly lubricant. It does not contain harmful chemicals or pollutants that can contribute to air or water pollution. Using water as a lubricant in air compressors reduces the risk of contamination and minimizes the environmental impact associated with traditional lubricants.
- Improved heat dissipation: Water has excellent heat transfer properties. It can absorb and dissipate heat more efficiently compared to oils or synthetic lubricants. Air compressors generate heat during operation, and using water as a lubricant helps to dissipate this heat effectively, preventing overheating and prolonging the lifespan of the compressor.
- Reduced fire hazard: Compared to oils or synthetic lubricants, water has a significantly higher flash point, which means it is less likely to ignite or contribute to fire hazards. This fire-resistant property of water makes it a safer lubricant choice, especially in environments where fire safety is a concern.
- Lower maintenance requirements: Water does not leave behind sticky residues or deposits, as some oils or synthetic lubricants might. This characteristic reduces the maintenance requirements of air compressors. It simplifies the cleaning process and reduces the frequency of lubricant changes, resulting in reduced downtime and maintenance costs.
Overall, using water as a lubricant in air compressors can offer significant advantages in terms of cost-effectiveness, environmental friendliness, heat dissipation, fire safety, and maintenance requirements.


editor by CX 2023-12-04
China Good quality Gd35 1HP 750W 550W 35L Silent Oilless Oil Free Air Compressor air compressor portable
Product Description
Oil Free & Slient Air Compressor(GD35)
Specification:
Specification:
Main Feature 1. The output pressure is stable without fluctuation, maximum limit reduces noise pollution. Suitable for the analysis of testing, laboratory equipment, laboratory, University Research Institute, environmental protection, health and epidemic prevention inspection department. 2. No oil 3. Steady flow 4. Long service life 5. Simple operation Packing: Outer packing is honey-comb carton with belts,inner packing is a transparent bag.We could accept customers special request,such as:print brand,specification,good’s picture. Brief introduction: HangZhou City Ouye(Guangda) Electromechanical Co.,Ltd: specializes in screw and piston air compressors;-such as:permanent magnet frequency conversion screw type, belt driven air compressor,direct driven air compressor,oil free air compressor,gasoline air compressor and diesel air compressor.cutting machines;sitting board machines;air compressor pumps;access series and so on. We introduce domestic and overseas advanced technology to make high-quality products.Our products have been sold to the United States, UK,Poland, Brazil,Russia, South Korea, Australia,Chile,Argentina,Dubai,Banglandesh,Turkey,Moldova,and so on .They have a good reputation at home and abroad. We are both professional manufacturer and exporter , so our products are high quality with competitive price. Exhibition: Frequency Asked Question: 1.Are you the manufacturer or trading company? 2.Where is your factory? 3.What’s the terms of trade? 4.What’s the terms of payment? 5.What’s the lead time? 6.Do you accept sample order? 7.What about the cost of sample? More Products: We are looking CHINAMFG to establishing long-term business relationships with your esteemed company!
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| Warranty: | 1 Year |
|---|---|
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Cylinder Arrangement: | Duplex Arrangement |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Customization: |
Available
|
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|---|
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What are the energy-saving technologies available for air compressors?
There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:
1. Variable Speed Drive (VSD) Compressors:
VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.
2. Energy-Efficient Motors:
The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.
3. Heat Recovery Systems:
Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.
4. Air Receiver Tanks:
Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.
5. System Control and Automation:
Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.
6. Leak Detection and Repair:
Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.
7. System Optimization and Maintenance:
Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.
By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.
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Can air compressors be used for medical and dental applications?
Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:
1. Dental Tools:
Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.
2. Medical Devices:
Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.
3. Laboratory Applications:
Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.
4. Surgical Tools:
In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.
5. Sterilization and Autoclaves:
Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.
6. Dental Air Compressors:
Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.
7. Air Quality Standards:
In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.
8. Compliance and Regulations:
Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.
It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.
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How do you choose the right size of air compressor for your needs?
Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:
1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.
2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.
3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.
4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.
5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.
6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.
7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.
8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.
By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.


editor by CX 2023-12-01
China high quality Oil Free Air Compressor, Silent Compressor, 2.0HP 20L Compact Air Compressor, Mobile Air Compressor, Oilless Compressor with high quality
Product Description
Spec.
| Parameters | |||
| Model | TAT-2520HN | Power | 1500W/2.0HP |
| Noise(dBA) | 69 | Max Pressure | 10.0BAR |
| Revolution | 1400/1700RPM | Tank | 20L/5Gal |
| Max delivery | 240L/Min | N.W. (KG) | 43 |
| Packing (mm) | 810*540*540 | G.W. (KG) | 47 |
Product featured;
1. Integrated control panel
2. Flexible roll cage for easy traveling.
3. Strong rubber wheel
4.2Xcouplings more useful
5.4pole industrial motor with 2X longer life time
6. tool palette can fit with hose reel,5.Professional class with high pressure
Product overview;
Company overview;Our exhibition;
| After-sales Service: | 1 Year Limited Warranty |
|---|---|
| Warranty: | 1 Year Limited Warranty |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Customization: |
Available
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What Are the Key Components of a Water-Lubrication System in Compressors?
A water-lubrication system in compressors typically consists of several key components that work together to provide lubrication and cooling to the compressor. Here’s a detailed explanation of the key components of a water-lubrication system in compressors:
Water Supply:
- Water Source: The water-lubrication system requires a water source that provides clean and suitable water for lubrication. The water can be sourced from various places such as municipal water supply, well water, or treated water from a dedicated water treatment system.
- Water Inlet: The water inlet is the entry point where water enters the compressor’s lubrication system. It may include valves, filters, or other components to regulate and control the water flow.
Lubrication System:
- Water Jackets: Water jackets are channels or passages built into the compressor’s housing or cylinder walls. These jackets allow water to circulate and come into direct contact with the compressor’s moving parts, providing lubrication and cooling. The water jackets help dissipate heat generated during compression and prevent excessive temperatures that could damage the compressor.
- Water Pump: The water pump is responsible for circulating water through the water jackets and the entire lubrication system. It provides the necessary pressure to ensure adequate water flow and distribution to the compressor’s components.
- Flow Control Devices: Flow control devices, such as valves or flow restrictors, are often included in the water-lubrication system to regulate and control the water flow rate. These devices help maintain optimal water pressure and flow throughout the system, ensuring effective lubrication and cooling.
- Water Filters: Water filters are used to remove impurities, sediment, or debris from the water before it enters the lubrication system. They help prevent blockages, protect the compressor’s components from damage, and maintain the quality of the water used for lubrication.
- Water Separator: A water separator is a component that removes excess water, moisture, or condensate from the compressed air. It ensures that the compressed air leaving the compressor is dry and free from excess water content, preventing potential issues such as corrosion or contamination downstream.
Control and Monitoring:
- Temperature Sensors: Temperature sensors are used to monitor the temperature of the water and the compressor components. They provide feedback to the control system, allowing for adjustments in water flow or cooling measures if required to maintain optimal operating conditions.
- Pressure Sensors: Pressure sensors are employed to monitor the water pressure within the lubrication system. They help ensure that the water flow and pressure are within the desired range, allowing for proper lubrication and cooling of the compressor.
- Control System: A control system, which may include a combination of sensors, valves, and controllers, is responsible for regulating and maintaining the operation of the water-lubrication system. It can monitor various parameters, such as temperature, pressure, and flow, and make adjustments as needed to ensure efficient and safe operation.
Regular maintenance, inspection, and monitoring of the key components of the water-lubrication system are essential to ensure its proper functioning and to prevent any issues that could affect the performance and longevity of the compressor.
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What Is the Role of Filtration in Water-Lubricated Air Compressors?
Filtration plays a crucial role in water-lubricated air compressors, serving several important purposes. Here’s a detailed explanation of the role of filtration in water-lubricated air compressors:
Contaminant Removal:
- Particle Filtration: Filtration systems in water-lubricated air compressors are designed to remove particles and contaminants from the water. These can include sediment, rust, debris, and other solid particles that may be present in the water supply. Removing these contaminants is essential to prevent blockages, clogging, and damage to the compressor components.
- Oil Removal: In some cases, water used in compressors may contain traces of oil or hydrocarbons. Filtration systems can also help remove oil and hydrocarbon contaminants from the water, ensuring that the lubrication system remains clean and effective.
Protection of Components:
- Lubrication System: Filtration prevents contaminants from reaching the lubrication system of water-lubricated air compressors. This helps maintain the cleanliness and integrity of the lubricant, ensuring optimal lubrication performance and minimizing wear on the compressor’s moving parts. Clean and filtered water can enhance the efficiency and lifespan of the compressor’s lubrication system.
- Heat Exchangers and Cooling Systems: Water-lubricated compressors often rely on heat exchangers and cooling systems to regulate the temperature of the compressed air and the compressor itself. Filtration helps protect these components by preventing the accumulation of debris and contaminants that can hinder heat transfer and reduce the cooling efficiency. Clean water free from particles and contaminants promotes effective heat exchange and cooling.
Prevention of System Fouling:
- Scaling and Deposits: Filtration systems also help prevent scaling and deposits that can occur when water with high mineral content or hardness is used. These deposits can accumulate on the internal surfaces of the compressor, heat exchangers, or other components, reducing their efficiency and potentially causing operational issues. By removing impurities and controlling mineral content, filtration minimizes the risk of scaling and deposits.
Extended Equipment Lifespan:
- Component Protection: By effectively removing contaminants, filtration systems contribute to the protection and longevity of water-lubricated air compressor components. Clean and filtered water reduces the risk of component wear, corrosion, fouling, and blockages, ultimately extending the lifespan of the compressor and reducing maintenance and replacement costs.
Regular Maintenance and Monitoring:
- Filter Replacement: Filtration systems require regular maintenance, including the replacement or cleaning of filters. The frequency of filter replacement depends on factors such as water quality, usage conditions, and the specific requirements of the compressor manufacturer. Regular maintenance ensures that the filtration system continues to effectively remove contaminants and protect the compressor components.
- Monitoring Water Quality: Alongside filtration, monitoring the quality of the water used in water-lubricated compressors is essential. This can involve periodic water analysis, measurement of key parameters such as pH or conductivity, and visual inspections. Monitoring helps identify any changes in water quality or potential issues with the filtration system, allowing for timely maintenance or corrective actions.
In summary, filtration plays a critical role in water-lubricated air compressors by removing contaminants, protecting components, preventing system fouling, and extending equipment lifespan. By maintaining clean and filtered water, filtration systems contribute to the efficient operation, reliability, and longevity of water-lubricated compressors.
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Are Water Lubrication Air Compressors More Environmentally Friendly?
Water lubrication in air compressors offers several environmental benefits compared to traditional lubrication methods. Here are some reasons why water lubrication is considered more environmentally friendly:
- Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
- Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
- Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
- Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
- Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.
Overall, water lubrication in air compressors is considered more environmentally friendly due to its non-toxic nature, reduced air and water pollution, energy efficiency, and sustainable resource usage.


editor by CX 2023-12-01
China OEM 110V/60Hz 2HP 1500W Portable Oil Free Compressor Oilless Piston Air Compressor air compressor for car
Product Description
| Model | Horsepower | Voltage | Exhaust Volume | Pressure | Tank | Noise | Weight | Meas |
| (KW/HP) | (V/Hz) | (L/min) | (Bar) | (L) | (dB) | (Kg) | (cm) | |
| YM1500-50L | 1.5/2 | 220/50 | 220 | 8 | 50 | ≤58 | 49 | 50×50×80 |
YUNMEI is a professional company that develops, produces, and sells silent oil-free air compressors, belt-driven air compressors,direct-driveb , refrigerated and and pumps.
Our annual output value reaches 100 million yuan ,The products sell well all over the country and are exported to Southeast Asia, Italy,Czech Republic, Germany, UK, Poland,
the United States, the United Kingdom, the Middle East, South America, Africa and some other countries.
Features:
1 It can support 4pcs dental unit
2 CE Approved
3 Color options: blue, white,yellow,red,black
4 OEM can be made according to client’s request
5.uesd in dental chair
Quality control:
Following the sales tenet of “Quality First, Customer Foremost”, the company has gradually established an image of top products, premium quality, and best reputation”
Customer questions & answers
Q: What’s your MOQ?
A: Our MOQ is 5 units per model .
Q: What’s your payment terms?
A: We accept T/T ;
Q: What’s the delivery time?
A: We could deliver the goods within 30 days after order confirmed(OEM order)
| After-sales Service: | One Year |
|---|---|
| Warranty: | One Year |
| Lubrication Style: | Oil-free |
| Samples: |
US$ 180/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What Industries Commonly Use Water-Lubricated Air Compressors?
Water-lubricated air compressors find applications in various industries where specific operating conditions or regulatory requirements make them a preferred choice. Here are some industries that commonly utilize water-lubricated air compressors:
- Food and Beverage: Water-lubricated compressors are often used in the food and beverage industry due to their ability to provide clean, oil-free compressed air. Compressed air is widely used in food processing and packaging applications, such as pneumatic conveying, product mixing, bottle blowing, and food packaging. Water-lubricated compressors help maintain product purity, prevent oil contamination, and comply with stringent food safety standards.
- Pharmaceutical and Healthcare: The pharmaceutical and healthcare industries have strict requirements for compressed air quality, especially in applications where compressed air comes into direct contact with pharmaceutical products or is used in critical medical equipment. Water-lubricated compressors offer a viable solution by providing lubrication without the risk of oil contamination. They are commonly used for processes such as air agitation, medical device manufacturing, and laboratory applications.
- Electronics and Semiconductors: In electronics and semiconductor manufacturing, where sensitive components and cleanroom environments are involved, oil-free compressed air is essential. Water-lubricated compressors can provide the required level of air purity without introducing oil particles or vapors that could contaminate the electronics or semiconductor production processes. They are used in applications such as chip manufacturing, circuit board assembly, and cleanroom air supply.
- Textile and Garment: Water-lubricated compressors are utilized in the textile and garment industry, where the presence of oil can negatively impact the quality and appearance of fabrics or garments. Compressed air is widely used in textile machinery for tasks such as spinning, weaving, and air jet looms. Water-lubricated compressors ensure oil-free air supply, preventing oil stains or contamination that could affect the final textile or garment products.
- Environmental and Wastewater Treatment: Water-lubricated compressors are also employed in environmental and wastewater treatment applications. These compressors help supply air for aeration processes in wastewater treatment plants, where air is introduced into the treatment tanks to facilitate the growth of beneficial bacteria for biological treatment. Water-lubricated compressors provide oil-free compressed air, ensuring the purity and effectiveness of the treatment process.
While the industries mentioned above commonly use water-lubricated air compressors, it is important to note that these compressors may also find applications in other sectors where oil-free, contamination-free compressed air is required for specific processes or environmental considerations.
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How Do Water-Lubricated Air Compressors Compare in Terms of Maintenance Costs?
When comparing water-lubricated air compressors to other types of compressors, there are several factors that can influence the maintenance costs. Here’s a detailed explanation of how water-lubricated air compressors compare in terms of maintenance costs:
Initial Investment:
- Higher Initial Cost: Water-lubricated air compressors tend to have a higher initial cost compared to oil-lubricated compressors. This is primarily due to the additional components required for the water-lubrication system, such as water pumps, filters, and separators. The higher initial investment can impact the overall cost of the compressor system.
Lubrication System Maintenance:
- Water Treatment and Filtration: Water-lubricated compressors may require additional maintenance for water treatment and filtration systems. Regular monitoring, maintenance, and replacement of filters or treatment media are necessary to ensure the water quality remains suitable for lubrication. The cost of water treatment and filtration maintenance should be considered in the overall maintenance costs.
- Water Quality Monitoring: Monitoring the quality of the water used in water-lubricated compressors is crucial. This may involve periodic water analysis, temperature monitoring, and water chemistry checks. The cost of water quality monitoring should be factored into the maintenance costs.
Component Lifespan and Replacement:
- Extended Component Lifespan: Proper water-lubrication and cooling can contribute to the extended lifespan of compressor components. Reduced friction, effective cooling, and contaminant control can minimize wear and damage to components, leading to lower replacement costs over time. Water-lubricated compressors may have advantages in terms of component longevity, potentially reducing the frequency of component replacements.
Corrosion Prevention:
- Corrosion Protection Measures: Water-lubricated compressors require corrosion prevention measures due to the presence of water within the system. Corrosion-resistant materials, coatings, or regular maintenance procedures are necessary to prevent corrosion-related issues. The cost of implementing and maintaining corrosion protection measures should be considered in the overall maintenance costs.
Overall, the maintenance costs of water-lubricated air compressors can vary depending on factors such as the specific design and components of the compressor, the quality of the water used, the effectiveness of water treatment and filtration systems, and the implementation of corrosion prevention measures. While water-lubricated compressors may have higher initial costs and additional maintenance requirements, they can potentially offer advantages in terms of extended component lifespan, reduced component replacements, and effective lubrication. It is important to consider these factors and consult the manufacturer’s guidelines to accurately assess the maintenance costs associated with water-lubricated air compressors.
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What Maintenance Is Required for Water-Lubricated Air Compressors?
Maintaining water-lubricated air compressors involves several key maintenance tasks to ensure their optimal performance and longevity. Here are the maintenance requirements typically associated with water-lubricated air compressors:
- Regular water quality checks: It is essential to monitor the quality of the water used for lubrication in the compressor. Regular water analysis helps identify any potential contaminants, such as minerals or impurities, that may affect compressor performance or lead to corrosion. If necessary, appropriate water treatment measures should be taken to maintain the desired water quality.
- Drain and flush water systems: Periodically draining and flushing the water systems of the compressor helps remove any sediment, debris, or accumulated contaminants. This prevents blockages, maintains water flow, and ensures the cleanliness of the system.
- Inspect and clean filters: Filters in the water system, such as intake filters or water separation filters, should be inspected regularly and cleaned or replaced as needed. Clean filters help maintain proper water flow, prevent clogging, and protect internal components from damage or corrosion.
- Check for leaks: Regularly inspect the compressor system for any signs of water leaks. Leaks can lead to water loss, reduced lubrication performance, and potential damage to the compressor components. Any identified leaks should be promptly repaired to maintain the integrity of the system.
- Monitor and maintain proper water levels: Ensure that the water levels in the compressor are maintained within the recommended range. Low water levels can result in inadequate lubrication and increased friction, while high water levels may lead to excessive moisture in the system. Regularly check and adjust the water levels as necessary.
- Inspect and maintain cooling systems: Water-lubricated compressors often utilize water for cooling purposes. Inspect and maintain the cooling systems, such as heat exchangers or radiators, to ensure proper heat dissipation. Clean any accumulated debris or deposits that may impede cooling efficiency.
- Follow manufacturer guidelines: It is crucial to follow the manufacturer’s maintenance guidelines and recommendations specific to the water-lubricated air compressor model being used. These guidelines may include additional maintenance tasks or intervals that are necessary for optimal performance and warranty compliance.
Regular and proactive maintenance of water-lubricated air compressors helps ensure their reliable operation, extends their lifespan, and minimizes the risk of performance issues or component failures. It is advisable to consult the compressor’s documentation and seek guidance from the manufacturer or a qualified technician to establish a comprehensive maintenance routine specific to the equipment.


editor by CX 2023-11-20
China Hot selling Oil Free Silent Stainless Water Tank Oilless Air Compressor High Efficiency Air Compressors arb air compressor
Product Description
CHINAMFG oil-less air compressor is specially designed to support AAS, ICP-OES, ICP-MS, Termovap Sample Con centrator, etc. with pure, dry compressed air and constant pressure.
Note:
AA oil free air compressor no need manual drainage, can be constantly use;
AA*A oil free air compressor adopts electronic water removal, mainly used in high temperature, high humidity area, can ensure that the outlet is dry.
Functions and Features:
Double cylinder piston compressor, stable and reliable operation, put out pure oil without lubri cate;
Original air-cooled screw centrifugal dehydrator, cooling of compressed air rapidly, centrifugal separation of condensate;
Optional electronic dehydrator, water removal thoroughly;
Stainless steel storage sink which can prevent rust;
Vertical design, independent suspension damping mechanism, nest egg type sound-absorbing sponge, less vibration, lower noise;
Triple filters makes gas sophisticate and pure.
Specification:
| model | Displacement | Press | power | Main character | Overall Dimension |
| W×D×H mm | |||||
| ACA320 | 20L/min | 0.05~3kg | 250W | Oil-free dual-piston compressor box-type silent | 400×300×635 |
| AA320 | 20L/min | 0.05~3kg | 260W | Automatic drainage | 430×335×676 |
| AA320A | 20L/min | 0.05~3kg | 320W | Automatic drainage, internal electronic water removal | 430×335×676 |
| AA530 | 30L/min | 0.05~5kg | 600W | Automatic drainage | 500×335×706 |
| AA530A | 30L/min | 0.05~5kg | 660W | Automatic drainage, internal electronic water removal | 500×335×706 |
| AA530Z | 50L/min | 0.05~5.5kg | 800W | Automatic drainage, high efficiency | 500×335×706 |
| AA650 | 50L/min | 0.05~6kg | 1250W | Automatic drainage. | 560×400×830 |
| AA780 | 80L/min | 0.05~7kg | 1550W | Automatic drainage. | 560×400×830 |
| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Cylinder Arrangement: | Balanced Opposed Arrangement |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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How Do You Ensure Proper Water Lubrication in Air Compressors?
Proper water lubrication in air compressors is essential for maintaining their performance, efficiency, and longevity. Here’s a detailed explanation of how to ensure proper water lubrication:
- Use High-Quality Water: Start by using high-quality water for lubrication. Ideally, the water should be clean, free from impurities, and have the appropriate chemical composition. Impurities or contaminants in the water can lead to increased wear, corrosion, and blockages in the compressor. Water treatment or filtration systems may be necessary to ensure the desired water quality.
- Monitor Water Supply: Ensure a consistent and adequate water supply to the compressor. Monitor the flow rate and pressure of the water supply to ensure it meets the requirements of the compressor’s lubrication system. Insufficient water flow can lead to inadequate lubrication, increased friction, and potential damage to the compressor components.
- Implement Proper Water Cooling: Compressed air generates heat during the compression process, and effective cooling is crucial to maintain safe operating temperatures and proper water lubrication. Ensure that the cooling mechanisms, such as water jackets or external cooling systems, are properly designed and sized to provide adequate cooling capacity. Monitor and control the water temperature to prevent overheating and ensure optimal lubrication.
- Optimize Water Distribution: Proper water distribution within the compressor is essential for effective lubrication. Ensure that the water is evenly distributed to all the necessary lubrication points, such as the bearings or other moving parts. Proper design and installation of water distribution systems, including pipes, fittings, and nozzles, are important to achieve uniform water distribution and prevent any dry spots or inadequate lubrication.
- Regular Maintenance: Implement a regular maintenance schedule for the water lubrication system. This includes periodic inspection and cleaning of water filters, strainers, or screens to prevent clogging and maintain proper water flow. Check for any leaks or malfunctions in the water distribution system and promptly address them. Regularly monitor water quality and perform any necessary water treatment or filtration to maintain optimal lubrication conditions.
- Follow Manufacturer Guidelines: Always follow the manufacturer’s guidelines and recommendations for water lubrication. Manufacturers provide specific instructions regarding water quality, flow rates, cooling requirements, and maintenance procedures for their compressors. Adhering to these guidelines ensures that the compressor operates within its intended parameters and maintains proper water lubrication.
By following these practices, you can ensure proper water lubrication in air compressors, promoting efficient operation, minimizing wear and tear, and extending the lifespan of the equipment. Regular monitoring, maintenance, and adherence to manufacturer guidelines are crucial to optimize water lubrication and overall compressor performance.
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How Does Water-Lubrication Affect the Lifespan of Air Compressor Components?
Water-lubrication can have both positive and negative effects on the lifespan of air compressor components. Here’s a detailed explanation of how water-lubrication can impact the lifespan of air compressor components:
Positive Effects:
- Lubrication: Water-lubrication provides effective lubrication to the moving parts of the air compressor, reducing friction and wear. Proper lubrication helps minimize the stress on components such as pistons, cylinders, and bearings, which can contribute to extended component lifespan.
- Cooling: Water-lubricated systems offer efficient cooling properties. The circulation of water through water jackets or cooling channels helps dissipate heat generated during compression. Effective cooling can prevent excessive temperature rise, reducing the risk of thermal damage and prolonging the lifespan of compressor components.
- Contaminant Control: Water-lubrication can aid in controlling contaminants within the compressor system. Water acts as a medium to trap and remove particulate matter or debris generated during compressor operation. This helps protect components from potential damage and contributes to their longevity.
Negative Effects:
- Corrosion: Water-lubrication introduces moisture into the compressor system, which can increase the risk of corrosion. Corrosion can degrade the integrity of components, leading to reduced lifespan and potential failures. Proper corrosion prevention measures, such as using corrosion-resistant materials or implementing water treatment processes, are essential to mitigate this negative effect.
- Contamination: Although water-lubrication can help control contaminants, it can also introduce impurities and contaminants if the water supply or treatment is not adequately managed. Contaminants such as sediment, minerals, or microbial growth can negatively impact component lifespan by causing blockages, wear, or chemical degradation. Regular maintenance and proper filtration systems are crucial to minimize contamination-related issues.
- System Complexity: Water-lubricated systems can be more complex than oil-lubricated systems, requiring additional components such as water pumps, filters, and separators. The complexity of the system can introduce more points of failure or maintenance requirements, which, if not addressed properly, can affect the overall lifespan of the compressor components.
Proper maintenance, monitoring, and adherence to manufacturer guidelines are essential to maximize the positive effects and mitigate the negative effects of water-lubrication on air compressor components. Regular inspection, cleaning, lubrication, and water treatment can help ensure optimal operation and prolong the lifespan of the compressor components.
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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2023-11-07
China Good quality CHINAMFG Vertica Oil Free Silent 75L 90L Industrial Oilless Compact Air Compressor Dental Clinic air compressor for sale
Product Description
SINCE 1988
ZHangZhouG CHINAMFG PUMP INDUSTRY CO.,LTD.
Product Description
Xinya 24L CE Direct Driven Oil-free Air Compressor
Equipped with pressure regulator, pressure gauge, quick connect air outlet, safety valve, on/off switch.
Fully automatic control system aims at operation convenience, safety and reliability.
CE, ROHS, ISO9001 certificated.
| Model | Tank(L) | Exhaust volume (L/min) | Stroke(mm) | Power(w) | Voltage(V) | Speed(r.p.i) | Pressure(bar) | Measurement |
| XY-2624 | 24 | 105 | 14 | 800 | 110/220 | 1380 | 8 | 56*23*53 |
| XY-2824 | 24 | 179 | 12 | 900 | 110/220 | 2650 | 8 | 56*23*53 |
| XY-3824 | 24 | 237 | 14 | 1350 | 110/220 | 2650 | 8 | 56*23*53 |
| XY-3850 | 50 | 237 | 14 | 1350 | 110/220 | 2650 | 8 | 66*31*59 |
| XY-3850D | 50D | 237 | 14 | 1350 | 110/220 | 2650 | 8 | 44*43*70 |
| XY-3875L | 75L | 237 | 14 | 1350 | 110/220 | 2650 | 8 | 40*38*93 |
| XY-5824 | 24 | 270 | 16 | 1600 | 110/220 | 2650 | 8 | 56*23*55 |
| XY-5830 | 30 | 270 | 16 | 1600 | 110/220 | 2650 | 8 | 58*25*56 |
| XY-5850 | 50 | 270 | 16 | 1600 | 110/220 | 2650 | 8 | 66*31*61 |
| XY-5850D | 50D | 270 | 16 | 1600 | 110/220 | 2650 | 8 | 44*43*70 |
| XY-5875L | 75L | 270 | 16 | 1600 | 110/220 | 2650 | 8 | 40*38*93 |
Electric direct driven oil-free air compressors
1.Motor-direct driven oil-free
2.Motor with thermal protection system
3.Maintenance-free & permanent lubrication system
4.Aluminum cylinder head and crankcase for better heat dissipation
5.Easy-open drain valve
6.Regulator with gauge to show pressure
7.Quick connector is available
8.Plastic coating tank
Detailed Photos
Application
Packaging & Shipping
For Model: XY3875L
Natural carton packing with foam protector
1PCS/CTN
Including:air filter,breather,wheel,bolt,foot pad
Carton size:40*38*93cm
475pcs/40HQ
Similar products
Company Profile
Excellent Manufacturer
Established in 1988,ZHangZhoug CHINAMFG Pump Industry Co.,Ltd.Has been dedicated to the technology research,production-manufacturing,and marketing of air compressors,water pump and solar pumps.
We are ZHangZhoug key private enterprise and pioneering backbone enterprise. We have the most advanced technology in both production and management. We have a very powerful Research& Development team. We carry on strict monitoring and control to products by many kinds of advanced apparatus with third-party qualified laboratory.Welcome to inquiry!
Certifications
Exhibitions
FAQ
Q: Are you manufacturer or trading factory?
A: We are factory, located in HangZhou pump industry zone.
Q: What is your MOQ?
A:
| Product | ready good | Customized goods |
| Vibration pump | 1pc/model | 1000pcs/model |
| Solar pump | 1pc/model | 50pcs/model |
| Direct-driven air compressor | 1pc/model | 100pcs/model |
| Belt-driven air compressor | 1pc/model | mixed model for 1*40HQ |
Q: May OEM?
A: OK, pls provide your logo design files when PI is comfirmed.
Q: May I buy 1pc sample first? And How long?
A: Of course, we support sampling order, especially for new customers.
Ready goods, within 3 working days; Customized goods, 15-45 days.
Q: What is your Payment terms?
A: Sample: 100% payment in advance
Official order: 30% deposit TT and 70% balance against BL copy
Q: What about the warranty?
A: one-year quality guarantee policy. Money refunded if any quality issues come up.
Q: Where is the landing port?
A: HangZhou port, China.
If ZheJiang or other port, pls inform us in advance.
Q: May I visit your factory? Where?
A: Welcome to ZHangZhoug CHINAMFG Pump Industry Co.,ltd
Address: DaXi Pump Industrial Zone, DaXi Town, WenLing City, ZheJiang Province, China.
Nearest railway station: 1. HangZhou station, 2. HangZhou station, 3. HangZhou station;
Nearest air port: 1. HangZhou airport, 2. HangZhou airport
Please feel free to contact us,thank you.
| After-sales Service: | Online After Service |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Cylinder Arrangement: | Balanced Opposed Arrangement |
| Cylinder Position: | Vertical |
| Samples: |
US$ 300/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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What Is the Role of Water Separators in Water-Lubricated Compressors?
In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:
Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.
The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:
- Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
- Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
- Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
- Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.
By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.
It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.
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Are There Regulations Governing the Use of Water-Lubricated Air Compressors?
When it comes to the use of water-lubricated air compressors, there are several regulations and standards that govern their operation and ensure compliance with safety, environmental, and performance requirements. Here’s a detailed explanation of the regulations related to water-lubricated air compressors:
1. Occupational Safety and Health Administration (OSHA) Regulations:
OSHA is a regulatory agency in the United States that sets and enforces workplace safety and health standards. While OSHA does not have specific regulations solely dedicated to water-lubricated air compressors, they have general regulations that apply to all types of air compressors. These regulations include requirements for safe operation, maintenance, and guarding of equipment to protect workers from hazards such as electrical shocks, mechanical injuries, and exposure to hazardous substances.
2. Environmental Protection Agency (EPA) Regulations:
The EPA is responsible for implementing and enforcing environmental regulations in the United States. Although there are no specific regulations for water-lubricated air compressors, the EPA has regulations that govern the discharge of water and other substances into the environment. If the water-lubricated compressor system involves the use of cooling water or generates wastewater, it may be subject to regulations related to water pollution control, water treatment, and proper disposal of wastewater.
3. International Organization for Standardization (ISO) Standards:
The ISO develops international standards that provide guidelines and requirements for various industries and technologies. ISO 8573 is a standard that addresses the quality of compressed air used in different applications. This standard sets limits and specifications for various contaminants in compressed air, including water content. Water-lubricated air compressors need to comply with the requirements of ISO 8573 to ensure the produced compressed air meets the desired quality standards.
4. Manufacturer Guidelines and Recommendations:
In addition to regulatory requirements, it is essential to follow the guidelines and recommendations provided by the manufacturers of water-lubricated air compressors. Manufacturers typically provide instructions for installation, operation, maintenance, and safety precautions specific to their equipment. Adhering to these guidelines is crucial to ensure the safe and proper functioning of the equipment and to maintain warranty coverage.
It’s important to note that the specific regulations and standards governing water-lubricated air compressors may vary depending on the country or region. Therefore, it is advisable to consult the relevant regulatory agencies, industry organizations, and local authorities to ensure compliance with applicable regulations and standards in a particular jurisdiction.
By complying with the relevant regulations, standards, and manufacturer guidelines, users of water-lubricated air compressors can ensure the safe and efficient operation of their equipment while minimizing any potential environmental impacts.
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Are Water Lubrication Air Compressors More Environmentally Friendly?
Water lubrication in air compressors offers several environmental benefits compared to traditional lubrication methods. Here are some reasons why water lubrication is considered more environmentally friendly:
- Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
- Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
- Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
- Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
- Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.
Overall, water lubrication in air compressors is considered more environmentally friendly due to its non-toxic nature, reduced air and water pollution, energy efficiency, and sustainable resource usage.


editor by CX 2023-11-06