Product Description
| Model | Horsepower | Voltage | Exhaust Volume | Pressure | Tank | Noise | Weight | Meas |
| (KW/HP) | (V/Hz) | (L/min) | (Bar) | (L) | (dB) | (Kg) | (cm) | |
| SY750-3-100L | 2.2/3 | 220/50 | 495 | 8 | 100 | ≤68 | 82 | 102×45×68 |
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.
Main Features
1.Heavy cast iron body: heavy load, long stroke, low fuel consumption, low noise
2.Cylinder: made of high-grade cast iron, strength, good lubricity, wall by the fine honing, wear-resistant, durable
3.Piston ring: good elasticity, excellent wear resistance, low oil consumption, not easy to make the valve group carbon deposition and loss of oil to burn the crankshaft and connecting rod.
4.The crankshaft, connecting rod, piston: well balanced, wear resistance, high strength, smooth running balance.
5.High reliable and durable valve; strong aluminum alloy body, light and heat.
6.The motor provides reliable power, low voltage startup and running performance strong fan cooled motor and body; special shock proof design.
7.Double nozzles, were used to direct the exhaust and pressure exhaust; pressure switch with push button, safe and convenient
8.Oil free,silent,protect-environment,suitable for dental use.
| After-sales Service: | One Year |
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| Warranty: | One Year |
| Lubrication Style: | Oil-free |
| Samples: |
US$ 800/Box
1 Box(Min.Order) | Order Sample white color
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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 is the impact of humidity on compressed air quality?
Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:
1. Corrosion:
High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.
2. Contaminant Carryover:
Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.
3. Decreased Efficiency of Pneumatic Systems:
Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.
4. Product Contamination:
In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.
5. Increased Maintenance Requirements:
Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.
6. Adverse Effects on Instrumentation:
Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.
To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.
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How are air compressors employed in the mining industry?
Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:
1. Exploration and Drilling:
Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.
2. Ventilation and Air Quality Control:
Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.
3. Material Conveyance:
In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.
4. Dust Suppression:
Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.
5. Instrumentation and Control:
Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.
6. Explosive Applications:
In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.
7. Maintenance and Repair:
Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.
It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.
By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.


editor by CX 2023-12-14
China Custom 220V AC Power Oil Free Silent Air Compressor for Factories portable air compressor
Product Description
Product Description
Features of the products
Small size, light weight, large exhaust volume, clean gas without oil, easy to install.
Purposes of the products
Can be used to transport cement, grain, lime, plastic, feed and other granular materials and powder materials tank truck, tank ship; It can also be used as an air power source for gas delivery devices.
| Machine type | HYCW-10/2 Single Cylinder (cast iron model) | |
| item | unit | Parameter value |
| Air displacement | m3 / min | 10 |
| Exhaust pressure | MPa | 0.2 |
| Shaft power | KW | ≤35 |
| Specific power | KW / m3 . min -1 | 3.5 |
| Inspiratory temperature | ºC | ≤40 |
| Exhaust temperature | ºC | ≤160 |
| Lubricating oil temperature | ºC | 65 |
| cleanliness | Mg | 720 |
| noise | Db ( A ) | 70 |
| weight | KG | 225 |
| Rotational speed | r / min | 980 |
| torque | N . M | 341 |
| Overall dimension | mm (Length * width * height) | 976.5 * 620 * 760 |
| Installation position | Seated mounting | |
Hot Products
Company Profile
The products cover 31 provinces of china, cities and autonomous regions, and export to more than 50 countries and regions.
Packaging & Shipping
FAQ
Q1.Dose your company has your own factory?
A:Yes,we have a factory ourself.which is in this business for 15 years in China.
Our factory is in the trailer base LiangShan,ZheJiang ,China.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
| After-sales Service: | 7*24 Hours |
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| Warranty: | 6 Months |
| Weight: | 210kg |
| Noise: | 70dB(a) |
| Lubricating Oil Temperature: | 65ºC |
| Exhaust Temperature: | <=160ºC |
| Customization: |
Available
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Can Water-Lubricated Air Compressors Be Used in Cold Climates?
Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:
Freezing of Water:
- Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
- Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.
Protection and Insulation:
- Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
- Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.
Alternative Lubrication Methods:
- Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.
Manufacturer Recommendations:
- Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.
By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor 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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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 2023-11-30
China high quality AC Power CE Certified Oil Free Screw High Air Compressor Price with Good Service air compressor for sale
Product Description
Product Description
Our Advantages
Company Profile
Certifications
FAQ
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1 What trade terms do we provide? What kind of settlement currency do we offer? |
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Trade term :CIF ,CFR ,FOB,Ex-Works |
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2 How long is our delivery? |
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Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case. |
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3 What is the voltage of the compressor? |
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The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage according to customer requirement. |
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4 Can our compressor run in high temperature environment? What is the working temperature range for our machine? |
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Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which would meet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc. |
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5 What’s the min. Order requirement ? |
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Min. Order requirement is 1PCS. |
| Warranty: | 2 Years |
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| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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Can Water-Lubricated Compressors Be Used in High-Pressure Applications?
Water-lubricated compressors can be used in high-pressure applications, but there are certain considerations and limitations to keep in mind. Here’s a detailed explanation:
Water-lubricated compressors are typically designed for lower to medium-pressure ranges. They are commonly used in applications where the required discharge pressure does not exceed a certain threshold, typically up to a few hundred pounds per square inch (psi). However, there are specialized water-lubricated compressors available that can handle higher pressures, depending on the specific design and construction.
The ability of a water-lubricated compressor to operate at high pressures depends on several factors:
- Compressor Design: The design and construction of the compressor play a crucial role in determining its maximum pressure rating. Compressors designed for high-pressure applications need to have robust components, such as reinforced casings, high-strength materials, and proper sealing mechanisms to withstand the elevated pressures. Special attention should be given to the design of the water-lubricated bearing system to ensure it can handle the increased loads and pressures.
- Water Supply and Cooling: High-pressure compressors generate more heat during the compression process, requiring efficient cooling mechanisms to maintain safe operating temperatures. Sufficient water supply and cooling capacity must be available to handle the increased heat load. Adequate flow rates, temperature control, and cooling methods, such as water jackets or external cooling systems, may be necessary to prevent overheating and ensure proper lubrication and cooling of the compressor components.
- Water Quality: The quality of the water used for lubrication becomes even more critical in high-pressure applications. Any impurities, contaminants, or minerals present in the water can cause increased wear, corrosion, or blockages, jeopardizing the compressor’s performance and reliability. Water treatment or filtration systems may be required to maintain the desired water quality and prevent damage to the compressor.
- Sealing and Leakage Control: As the pressure increases, it becomes more challenging to maintain effective sealing and prevent leakage in the compressor system. Proper sealing mechanisms, such as high-quality seals and gaskets, are essential to ensure minimal leakage and maintain the required pressure levels. Adequate monitoring and maintenance of the sealing components are necessary to prevent energy losses and ensure the compressor’s efficiency.
It’s worth noting that for extremely high-pressure applications, water-lubricated compressors may not be the most suitable choice. In such cases, alternative lubrication methods, such as oil or specialized lubricants, are often preferred to handle the extreme pressures and provide adequate lubrication and cooling.
When considering the use of water-lubricated compressors in high-pressure applications, it is crucial to consult with the compressor manufacturer or a qualified engineer to ensure that the chosen compressor model is specifically designed and rated for the desired pressure range. Proper installation, maintenance, and adherence to the manufacturer’s guidelines are essential to ensure the safe and efficient operation of the compressor in high-pressure conditions.
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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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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 2023-11-16
China high quality A/C Power Oil Free Water Lubrication Single Screw Air Compressors 12v air compressor
Product Description
5-400 Kw Low Noise Electric Water Lubricated/Injected Oil Free Oilless Direct Coupling Rotary Screw Type Air Compressor Advantages
1.Clean air 100% oil-free
2.Use water instead of oil, higher cooling efficiency and compression efficiency
3.Optimal isothermal compression
4.Powerful MAM microcomputer controller and touch screen
5.Reasonable Structure, with perfect balancing
6.Components made of anti-rust and anti-corrosion materials ensure the durability
7.Significant energy saving, environmental-friendly and pollution-free
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.
DENAIR Water-lubricated Oil Free Screw Air Compressor In Hannover Messe 2017
Technical Parameters Of Water-lubricated Oil-free Screw Air Compressor
| Model | Maximum working pressure |
Capacity(FAD)* | Installed motor power |
Driving Mode & Cooling Method | Noise Level** | Dimensions (mm) |
Weight | Air Outlet Pipe Diameter |
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| 50Hz | 60Hz | ||||||||||||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | ||||||||||||
| bar(e) | psig | m³/min | m³/min | cfm | cfm | m³/min | m³/min | cfm | cfm | kW | hp | [dB(A)] | L | W | H | kg | |||
| DVAW-15 | 7.5 | 109 | 1 | 2 | 36 | 71 | 1 | 2 | 36 | 71 | 15 | 20 | Direct Driven Air Cooling W-water Cooling |
63 | 1200 | 900 | 1200 | 650 | G1″ |
| 8.5 | 123 | 0.97 | 1.94 | 35 | 69 | 0.97 | 1.94 | 35 | 69 | 15 | 20 | 63 | 1600 | 1100 | 1500 | 650 | G1″ | ||
| 10.5 | 152 | 0.83 | 1.66 | 30 | 59 | 0.83 | 1.66 | 30 | 59 | 15 | 20 | 63 | 1200 | 900 | 1200 | 650 | G1″ | ||
| DVAW-18 | 7.5 | 109 | 1.41 | 2.81 | 50 | 99 | 1.41 | 2.81 | 50 | 99 | 18.5 | 25 | 66 | 1600 | 1100 | 1500 | 800 | G1″ | |
| 8.5 | 123 | 1.35 | 2.7 | 48 | 95 | 1.35 | 2.7 | 48 | 95 | 18.5 | 25 | 66 | 1600 | 1100 | 1500 | 800 | G1″ | ||
| 10.5 | 152 | 1.1 | 2.19 | 39 | 77 | 1.1 | 2.19 | 39 | 77 | 18.5 | 25 | 66 | 1600 | 1100 | 1500 | 800 | G1″ | ||
| DVAW-22 | 7.5 | 109 | 1.74 | 3.48 | 62 | 123 | 1.74 | 3.48 | 62 | 123 | 22 | 30 | 66 | 1600 | 1100 | 1500 | 850 | G1″ | |
| 8.5 | 123 | 1.73 | 3.46 | 61 | 122 | 1.73 | 3.46 | 61 | 122 | 22 | 30 | 66 | 1600 | 1100 | 1500 | 850 | G1″ | ||
| 10.5 | 152 | 1.36 | 2.73 | 48 | 96 | 1.36 | 2.73 | 48 | 96 | 22 | 30 | 66 | 1600 | 1100 | 1500 | 850 | G1″ | ||
| DVAW-30 | 7.5 | 109 | 2.64 | 5.27 | 93 | 186 | 2.64 | 5.27 | 93 | 186 | 30 | 40 | 69 | 1600 | 1100 | 1500 | 920 | G1-1/2″ | |
| 8.5 | 123 | 2.58 | 5.15 | 91 | 182 | 2.58 | 5.15 | 91 | 182 | 30 | 40 | 69 | 1600 | 1100 | 1500 | 920 | G1-1/2″ | ||
| 10.5 | 152 | 1.78 | 3.55 | 63 | 125 | 1.78 | 3.55 | 63 | 125 | 30 | 40 | 69 | 1600 | 1100 | 1500 | 920 | G1-1/2″ | ||
| DVAW-37 | 7.5 | 109 | 3.25 | 6.5 | 115 | 229 | 3.25 | 6.5 | 115 | 229 | 37 | 50 | 69 | 1600 | 1100 | 1500 | 950 | G1-1/2″ | |
| 8.5 | 123 | 3.13 | 6.26 | 111 | 221 | 3.13 | 6.26 | 111 | 221 | 37 | 50 | 69 | 1600 | 1100 | 1500 | 950 | G1-1/2″ | ||
| 10.5 | 152 | 2.61 | 5.21 | 92 | 184 | 2.61 | 5.21 | 92 | 184 | 37 | 50 | 69 | 1600 | 1100 | 1500 | 950 | G1-1/2″ | ||
| DVAW-45W | 7.5 | 109 | 4.1 | 8.2 | 145 | 289 | 4.1 | 8.2 | 145 | 289 | 45 | 60 | 66 | 2200 | 1400 | 1800 | 1500 | DN50 | |
| 8.5 | 123 | 3.9 | 7.81 | 138 | 276 | 3.9 | 7.81 | 138 | 276 | 45 | 60 | 66 | 2200 | 1400 | 1800 | 1500 | DN50 | ||
| 10.5 | 152 | 3.12 | 6.23 | 110 | 220 | 3.12 | 6.23 | 110 | 220 | 45 | 60 | 66 | 2200 | 1400 | 1800 | 1500 | DN50 | ||
| DVAW-55W | 7.5 | 109 | 4.66 | 9.32 | 165 | 329 | 4.66 | 9.32 | 165 | 329 | 55 | 75 | 66 | 2200 | 1400 | 1800 | 1600 | DN50 | |
| 8.5 | 123 | 4.43 | 8.86 | 157 | 313 | 4.43 | 8.86 | 157 | 313 | 55 | 75 | 66 | 2200 | 1400 | 1800 | 1600 | DN50 | ||
| 10.5 | 152 | 3.89 | 7.78 | 138 | 275 | 3.89 | 7.78 | 138 | 275 | 55 | 75 | 66 | 2200 | 1400 | 1800 | 1600 | DN50 | ||
| DVAW-75w | 7.5 | 109 | 6.21 | 12.41 | 222 | 444 | 6.21 | 12.41 | 222 | 444 | 75 | 100 | 71 | 2200 | 1400 | 1800 | 1750 | DN50 | |
| 8.5 | 123 | 6.2 | 12.39 | 219 | 438 | 6.2 | 12.39 | 219 | 438 | 75 | 100 | 71 | 2200 | 1400 | 1800 | 1750 | DN50 | ||
| 10.5 | 152 | 5.23 | 10.45 | 185 | 369 | 5.23 | 10.45 | 185 | 369 | 75 | 100 | 71 | 2200 | 1400 | 1800 | 1750 | DN50 | ||
| DVAW-90W | 7.5 | 109 | 8.24 | 16.48 | 291 | 582 | 8.24 | 16.48 | 291 | 582 | 90 | 120 | 73 | 2400 | 1700 | 1800 | 2300 | DN65 | |
| 8.5 | 123 | 8.18 | 16.36 | 289 | 578 | 8.18 | 16.36 | 289 | 578 | 90 | 120 | 73 | 2400 | 1700 | 1800 | 2300 | DN65 | ||
| 10.5 | 152 | 6.41 | 12.82 | 227 | 453 | 6.41 | 12.82 | 227 | 453 | 90 | 120 | 73 | 2400 | 1700 | 1800 | 2200 | DN65 | ||
| DVAW-110W | 7.5 | 109 | 10.22 | 20.45 | 361 | 722 | 10.22 | 20.45 | 361 | 722 | 110 | 150 | 73 | 2400 | 1700 | 1800 | 2800 | DN65 | |
| 8.5 | 123 | 9.91 | 19.82 | 350 | 700 | 9.91 | 19.82 | 350 | 700 | 110 | 150 | 73 | 2400 | 1700 | 1800 | 2800 | DN65 | ||
| 10.5 | 152 | 7.78 | 15.55 | 275 | 549 | 7.78 | 15.55 | 275 | 549 | 110 | 150 | 73 | 2400 | 1700 | 1800 | 2600 | DN65 | ||
| DVAW-132W | 7.5 | 109 | 11 | 21.99 | 389 | 776 | 11 | 21.99 | 389 | 776 | 132 | 175 | 76 | 2400 | 1700 | 1800 | 3200 | DN65 | |
| 8.5 | 123 | 10.97 | 21.94 | 388 | 775 | 10.97 | 21.94 | 388 | 775 | 132 | 175 | 76 | 2400 | 1700 | 1800 | 3200 | DN65 | ||
| 10.5 | 152 | 8.89 | 19.79 | 350 | 699 | 8.89 | 19.79 | 350 | 699 | 132 | 175 | 76 | 2400 | 1700 | 1800 | 3000 | DN65 | ||
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
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.
DENAIR Services
DENAIR Oil Free Screw Air Compressor Application and Installation
FAQ
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China
Q3: Warranty terms of your machine?
A3: Two years 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: | Oil-free |
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| Cooling System: | Air Cooling/Water Cooling |
| Power Source: | AC Power |
| Customization: |
Available
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Shipping Cost:
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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 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 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 Water-Lubricated Air Compressors Suitable for Food and Beverage Industries?
Water-lubricated air compressors can be highly suitable for the food and beverage industries due to several reasons:
- Food-grade lubrication: Water is a natural and food-grade lubricant. It does not introduce harmful contaminants or chemicals into the production process, ensuring the safety and quality of food and beverage products. Water lubrication eliminates the risk of oil contamination in food products that can occur with oil-lubricated compressors.
- Compliance with hygiene standards: The food and beverage industries have strict hygiene standards and regulations. Water-lubricated air compressors align with these standards as water is a clean and sanitary lubricant. It minimizes the risk of cross-contamination and helps maintain a hygienic production environment.
- Reduced risk of product contamination: Water lubrication eliminates the possibility of oil carryover or oil vapor entering the compressed air system. This reduces the risk of oil contamination in food and beverage products, ensuring their purity and quality.
- Improved product shelf life: Oil-lubricated compressors can release oil aerosols or vapors that may negatively affect the taste, odor, or quality of food and beverage products. Water-lubricated compressors eliminate this concern, contributing to improved product shelf life and maintaining the desired sensory attributes.
- Easy cleanup and maintenance: Water lubrication simplifies cleanup and maintenance procedures in food and beverage production facilities. Water does not leave behind sticky residues or require extensive cleaning processes. It facilitates faster and more efficient cleaning, reducing downtime and improving overall productivity.
- Environmental friendliness: Water is a sustainable and environmentally friendly lubricant choice. It is non-toxic, biodegradable, and does not contribute to air or water pollution. Using water-lubricated air compressors aligns with the sustainability goals of the food and beverage industries.
Considering these factors, water-lubricated air compressors are well-suited for the food and beverage industries, ensuring compliance with hygiene standards, preventing product contamination, and promoting a safe and sustainable production environment.


editor by CX 2023-10-31