Product Description
Company Profile
- ZheJiang CHINAMFG Lihua Technology Development Co., Ltd. is located in the political center, economic center, cultural center, international exchange center, science and technology innovation center, and the capital city of ZheJiang in China. We are specialized in providing international famous brands: Atlas Copco, CHINAMFG Rand, Sullair, Bolaite, and Switzerland Vantone laboratory equipment.
Compressors include: screw compressors, high-pressure compressors, petroleum compressors, natural gas compressors, process gas compressors, oil-free screw compressors, and centrifugal compressors.
Laboratory equipment: integrated Karl Fischer moisture titrator, integrated automatic potentiometric titrator, automatic Karlscher Coulometry moisture meter, ECO intelligent ion chromatograph.
We have over 10000 high-quality compressor spare parts in stock for you to choose from!
Product Description
High pressure compressor application industry:
1. Suitable for oilfield pressure testing, line sweeping, gas lifting, well drilling and other engineering purposes.
2. Used for airtightness testing, airtightness inspection, pressure testing, strength inspection, airtightness verification and other fields of various high-pressure vessels or pressure vessels such as gas cylinders, steel cylinders, valves, pipelines, pressure instruments, and high-pressure boilers.
3. Used for pressure testing, pressurization on ships, pipeline pressure testing in oil extraction, pipeline cleaning, gas lifting, and other engineering purposes.
4. Sandblasting rust removal, parts dust removal, high-pressure phosphorus removal, anti-corrosion engineering, well drilling operations, and rock excavation.
5. Water turbine control for hydropower stations and arc extinguishing for high-voltage power grid air circuit breakers.
6. Provide air source for large and medium-sized bottle blowing machine levels.
Main features:
Made using air-cooled and water-cooled compression technology, it has high reliability and long service life.
The automation of the compressor unit is high, and the operation of the unit is controlled by a programmable logic controller (PLC) with various protections.
Flow rate: ≤ 50 Nm ³/ Min.
Pressure: ≤ 40 MPa.
Media: air, nitrogen, carbon dioxide, natural gas.
Control: PLC automatic control.
Drive mode: motor, diesel engine.
Cooling methods: air cooling, water cooling, mixed cooling.
Installation method: trailer mobile, container pry, fixed.
Oil free lubrication with foundation reciprocating piston air compressor has the characteristics of low energy consumption, low noise, low vibration, high reliability, oil free lubrication, and easy operation.
The machine is mainly composed of a compressor, an electric motor, an air circuit system, a cooling system, an operating instrument system, etc. All equipment is installed on a common chassis, which is equipped with vibration damping pads and is a non foundation compressor.
Detailed Photos
Product Parameters
Technical parameters and specifications
| Model specifications | Air displacement Nm3/h |
Intake pressure Mpa |
Exhaust pressure Mpa |
Motor Power kw |
External dimensions mm |
| ZW-1.3/4-25 | 340 | 0.4 | 2.5 | 37 | 2800×1800×1500 |
| ZW-9/0.5-2 | 750 | 0.05 | 0.2 | 37 | 2800×1800×1500 |
| ZW-7/2.5-5.5 | 1200 | 0.25 | 0.55 | 45 | 2800×1800×1500 |
| ZW-1.7/8-37 | 840 | 0.8 | 3.7 | 75 | 2200×1600×1500 |
| VW-15/0.5-3 | 1200 | 0.05 | 0.3 | 75 | 3200×1800×1600 |
| VW-2.7/25-45 | 4000 | 2.5 | 4.5 | 90 | 3200×1800×1600 |
| VW-4.7/4-16 | 1300 | 0.4 | 1.6 | 90 | 3200×1800×1600 |
| VW-7.7/0.5-20 | 650 | 0.05 | 2.0 | 110 | 3200×1800×1600 |
| VW-7.5/4-45 | 600 | 0.05 | 4.5 | 110 | 3200×1800×1600 |
| VW-12/16 | 650 | Atmospheric pressure | 1.6 | 110 | 3200×1800×1600 |
| VW-32/0.3-3 | 2200 | 0.03 | 0.3 | 110 | 3200×1800×1600 |
| VW-4.7/3.5-36 | 1200 | 0.35 | 3.6 | 132 | 3200×1800×1600 |
| VW-7.2/1-23 | 800 | 0.1 | 2.3 | 132 | 3200×1800×1600 |
| VW-18/3-6 | 4000 | 0.3 | 0.6 | 132 | 3600×1800×1600 |
| VW-28/1.5-5 | 4000 | 0.15 | 0.5 | 160 | 3600×1800×1600 |
| DW-40/0.3-3 | 3000 | 0.03 | 0.3 | 160 | 4000×2200×1600 |
| DW-3.8/10-45 | 2300 | 1.0 | 4.5 | 185 | 4000×2200×1600 |
| DW-11/4-20 | 3050 | 0.4 | 2.0 | 250 | 4500×2300×1800 |
| DW-50/8 | 2800 | Atmospheric pressure | 0.8 | 315 | 4800×2400×1800 |
| DW-4.5/16-105 | 400 | 1.6 | 10.5 | 400 | 5600×3800×2200 |
Certifications
Packaging & Shipping
Packaging Options for Your Goods
When it comes to packing your goods, we offer 3 different options to suit your specific requirements. You can choose from the following:
- Original Package: We can pack your goods using the original packaging, ensuring that they are protected and presented just as they were intended.
- Custom Design Package: If you have a specific design in mind for your packaging, we can accommodate that as well. Simply provide us with your design, and we will pack your goods accordingly.
- Blank Package: Alternatively, we can pack your goods using our blank packaging. This option allows for a clean and simple presentation, with no specific design elements.
Please refer to the example below for a visual representation of our blank packaging:
Whether you choose to package your product in original packaging, your own design, or our blank packaging, you can trust that your product will be handled carefully and pay attention to details. We strive to provide the best packaging options to meet your needs.
4.Transportation options:For your convenience, we offer various transportation methods, including air freight, sea freight, and express delivery services, such as DHL, FedEx,TNT, etc. Choose the option that best suits your needs.
Our Advantages
We have been specializing in the compressor industry for 17 years! We are specialized in providing international famous brands: Atlas Copco, CHINAMFG Rand, Sullair, Bolaite, and Switzerland Vantone laboratory equipment.Whether you need screw compressors, oil-free screw compressors, centrifugal compressors, or spare parts, we can meet your needs. We have over 10000 types of accessories, from complete compressors to compressor accessories, everything! Welcome to experience the convenience and reliability of our products.
We not only provide compressor products from internationally renowned brands, but also international brand Swiss CHINAMFG laboratory equipment such as integrated Karl Fischer moisture titrator, fully automatic cartridge Coulomb moisture analyzer, integrated automatic potentiometric titrator, and ECO intelligent ion chromatograph. You no longer need to search everywhere, because we have everything you need here! Our goal is to provide you with the best service and the highest quality products. Whether you are an individual user or a corporate customer, we will be dedicated to serving you. Let’s find the best solution for your needs together!
FAQ
Q1: How can I get the quotation?
A: you can advise us the part number for checking, and we will quote to you soon by email
Q2: What kind of ways for transportation ?
A:In general by air, sea or Express.(like DHL,Fedex,TNT,etc.)
Q3: If i want to change model,size,package,etc. How can I do?
A:You can contact us by or mail, and we will revise according to your requirement
Q4: How do I know the quality of productions?
A:We have a strict series of quality control, and we have perfect after service system, which can help you to solve the problem soon
Q5: What is the terms of payment ?
A:WeChat, Alipay,T/T, Western Union, paypal
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| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Air Cooling |
| Cylinder Arrangement: | Duplex Arrangement |
| Cylinder Position: | Angular |
| Structure Type: | Open Type |
| Compress Level: | Multistage |
| Customization: |
Available
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How Do Water-Lubricated Air Compressors Impact Compressed Air Quality?
Water-lubricated air compressors can have an impact on the quality of the compressed air they produce. Here’s a detailed explanation of how water-lubricated air compressors can affect compressed air quality:
Moisture Content:
- Condensation: Water-lubricated compressors introduce moisture into the compressed air system. During the compression process, as the air cools downstream, moisture can condense and accumulate. This moisture can lead to issues such as corrosion, rust, and contamination of downstream equipment or processes.
- Water Carryover: If the compressor’s water separation mechanisms are not efficient or if there are malfunctions in the water removal systems, water droplets or mist may carry over into the compressed air. This can negatively impact the quality of the compressed air and introduce moisture-related issues downstream.
Contamination:
- Oil Contamination: In some water-lubricated compressors, there is a potential for oil to mix with the water used for lubrication. If oil and water emulsify or if there are leaks in the compressor system, oil contamination may occur. Oil-contaminated compressed air can have adverse effects on downstream processes, equipment, and products. It can lead to contamination, reduced performance of pneumatic components, and potential health and safety concerns.
- Particulate Contamination: Water-lubricated compressors can introduce particulate matter, such as sediment, debris, or rust, into the compressed air system. This can occur if the water supply or water treatment systems are not adequately filtered or maintained. Particulate contamination can clog or damage pneumatic equipment, affect product quality, and cause operational issues in downstream applications.
Preventive Measures:
- Water Separation: Water-lubricated compressors employ various water separation mechanisms to remove moisture from the compressed air. This includes moisture separators, water traps, or coalescing filters that are specifically designed to capture and remove water droplets or mist from the compressed air stream. Regular maintenance and inspection of these separation systems are necessary to ensure their proper functioning.
- Air Treatment: Additional air treatment components, such as air dryers or desiccant systems, can be installed downstream of water-lubricated compressors to further reduce moisture content in the compressed air. These systems help to remove moisture that may have carried over from the compressor and ensure that the compressed air meets the required dryness standards for specific applications.
- Proper Maintenance: Regular maintenance of water-lubricated compressors is essential to minimize the potential impact on compressed air quality. This includes routine inspection, cleaning, and replacement of filters, lubrication systems, and water separation components. Addressing any leaks, malfunctioning components, or system issues promptly can help maintain the integrity of the compressed air and prevent contamination or excessive moisture levels.
By implementing appropriate water separation mechanisms, air treatment systems, and maintenance practices, the impact of water-lubricated air compressors on compressed air quality can be minimized. It is important to consider the specific requirements of the application and follow industry standards and guidelines to ensure the desired compressed air quality is achieved.
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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 does a water lubrication system work in air compressors?
A water lubrication system in air compressors is designed to provide lubrication and cooling to the internal components of the compressor using water as the lubricant. This system offers an alternative to traditional oil lubrication systems and has specific advantages in certain applications. Here’s a detailed explanation of how a water lubrication system works in air compressors:
1. Water Injection:
In a water lubrication system, a controlled amount of water is injected into the compression chamber of the air compressor. This can be achieved through various methods, such as direct injection or atomization of water droplets.
2. Lubrication:
As the compressed air is generated, the injected water serves as a lubricant for the internal components of the compressor. The water forms a thin film on the surfaces, reducing friction and wear between the moving parts. This lubrication helps to improve the efficiency and lifespan of the compressor.
3. Cooling:
The water injected into the compression chamber also acts as a cooling medium. As the air is compressed, heat is generated, and the injected water absorbs some of this heat. The water carries away the heat, preventing excessive temperature rise and maintaining optimal operating conditions for the compressor.
4. Separation and Filtration:
After serving its lubrication and cooling purposes, the water needs to be separated from the compressed air. The compressed air and water mixture pass through a separator or filtration system, which separates the water from the compressed air. This can involve mechanisms such as centrifugal force, gravity separation, or filtration media.
5. Water Treatment:
In water lubrication systems, proper water treatment is essential to maintain the quality and performance of the system. Water filtration and purification processes are employed to remove impurities, contaminants, and any solid particles present in the water. This ensures that the injected water is clean and free from any substances that could potentially harm the compressor or the downstream air system.
6. Recirculation or Discharge:
Depending on the specific design of the water lubrication system, the separated water can be recirculated back into the system for reuse or discharged from the compressor. Recirculation systems involve the treatment and filtration of the water before reintroducing it into the compression chamber. Discharge systems, on the other hand, may involve further treatment or disposal of the water in an environmentally responsible manner.
By utilizing a water lubrication system, air compressors can benefit from reduced oil consumption, improved air quality, and enhanced energy efficiency. These systems are commonly employed in industries where oil contamination must be avoided, such as food processing, pharmaceutical manufacturing, and electronics production.


editor by CX 2024-05-14