Product Description

 

Product name

Oil Free Water Lubricated Screw Air Compressor

Model

WLS

Cooling Method

Air Cooling

Pressure

8/1013 bar

Power

5.5-250 kw

Capacity

0.3~33.97 m3/min

Voltage

380V/50HZ, 220V/60HZ, 400V/50HZ, 415V/50HZ or Customer′s Requirements

Color

Customized

Advantage

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.
 

Model Pressure
(mpa)
Displacement
(m³/min)
Power
(kw)
Noise
(db)
Water Inlet Diameter Lubricating Water
(L)
Air Outlet
WLS-0.8/5.5 0.8 0.3-0.78 5.5 57 3/4″ 10 3/4″
WLS-1.0/5.5 1.0  0.2-0.65
WLS-0.8/7.5 0.8 0.35-0.17 7.5 57 3/4″ 10 3/4″
WLS-1.0/7.5 1.0  0.3-1.05
WLS-1.25/7.5 1.25 0.24-0.81
WLS-0.8/11 0.8  0.54-1.72 11 60 1″ 26 3/4″
WLS-1.0/11 1 0.45-1.42
WLS-1.25/11 1.3  0.35-1.10
WLS-0.8/15 0.8 0.75-2.43 15 60 1″ 26 1″
WLS-1.0/15 1.0  0.65-2.17
WLS-1.25/15 1.25 0.6-1.80
WLS-0.8/18.5 0.8  0.9-3.31 18.5 63 1″ 30 1″
WLS-1.0/18.5 1 0.9-2.82
WLS-1.25/18.5 1.3  0.6-2.05
WLS-0.8/22 0.8 1.1-3.7 22 63 1″ 30 1″
WLS-1.0/22 1.0  0.97-3.21
WLS-1.25/22 1.25 0.85-2.87
WLS-0.8/30 0.8  1.55-5.2 30 63 1 1/2″ 40 1 1/2″
WLS-1.0/30 1 1.255-4.43
WLS-1.25/30 1.3  1.1-3.63
WLS-0.8/37 0.8 1.91-6.50 37 66 1 1/2″ 40 1 1/2″
WLS-1.0/37 1.0  1.6-5.53
WLS-1.25/37 1.25 1.42-4.47
WLS-0.8/45 0.8  2.5-8.3 45 66 1 1/2″ 90 2″
WLS-1.0/45 1 1.91-6.3
WLS-1.25/45 1.3  1.7-5.56
WLS-0.8/55 0.8 3.0-10.3 55 69 1 1/2″ 100 2″
WLS-1.0/55 1.0  2.6-8.55
WLS-1.25/55 1.25 2.3-7.67
WLS-0.8/75 0.8  3.95-13 75 72 1 1/2″ 100 2″
WLS-1.0/75 1 3.4-11.5
WLS-1.25/75 1.3  3.0-9.7
WLS-0.8/90 0.8 5.0-16.6 90 73 1 1/2″ 120 2 1/2″
WLS-1.0/90 1.0  4.3-14.66
WLS-1.25/90 1.25 3.72-12.6
WLS-0.8/110 0.8  6.0-20.2 110 77 2″ 120 2 1/2″
WLS-1.0/110 1 5.0-16.66
WLS-1.25/110 1.3  4.65-15.56
WLS-0.8/132 0.8 6.75-22.52 132 77 2″ 120 2 1/2″
WLS-1.0/132 1.0  6.0-19.97
WLS-1.25/132 1.25 5.07-16.90
WLS-0.8/160 0.8  8.5-28.11 160 79 3″ 160 3″
WLS-1.0/160 1 7.6-25.45
WLS-1.25/160 1.3  6.7-22.52
WLS-0.8/185 0.8 10-33.97 185 79 3″ 160 3″
WLS-1.0/185 1.0  8.72-29
WLS-1.25/185 1.25 7.75-25.21
WLS-0.8/200 0.8  11.2-36.75 200 80 4″ 200 4″
WLS-1.0/200 1 9.68-32.78
WLS-1.25/200 1.3  9.2-29.24
WLS-0.8/250 0.8 13.5-45 250 80 4″ 200 4″
WLS-1.25/250 1.3  10.2-33.97

ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
    1.1 Oil-free screw air compressor
    1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free piston air compressor
    2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
    3.1 Diesel or Electric portable screw air compressor
    3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
    4.1 CHINAMFG or Adsorption compressed air drier
    4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.

Q: Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.

Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.

Q: 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.

Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Online Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-free
Customization:
Available

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air compressor

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.

air compressor

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.

air compressor

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.

China Custom Oil Free Water Lubricated Professional Screw Air Compressor for Food and Medical   with Hot sellingChina Custom Oil Free Water Lubricated Professional Screw Air Compressor for Food and Medical   with Hot selling
editor by CX 2023-10-07

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