China Professional CHINAMFG 10bar Oil Free Non-Lubricated Rotary Screw Air Compressor air compressor for car

Product Description

Product Description

1.Atals-Copco Air-End
Atlas-Copco Group 149years air-end research & development experience.

2.High Efficiency & Save Energy
High efficiency & energy saving intake valve,keep in lower unloading pressure and avoid large energy consumption when 

3.Easy Installation & Operation
Compressor is filled with inbrication oil before delivering. You can operate it after installing and power on.

4.Low noise & low vibration
Atlas-copco air-end, low noise & vibration.

5.Reliability & Safety
Reliability bigger cooler, lower operating temperature.

Detailed Photos

Product Parameters

 LSW series- Fixed Speed
Model  Max
Working Pressure
Motor Power Net Weight  Cooling
Transmission Noise Air Inlet/Outlet
(Lx W x H)
bar psig m3/min hp kw kgs dB(A) inch inch L mm
LSW-8A-8 8 116 1.10  10 7.5 510 Air
Belt Driven 57±2 G3/4”  —  — 800*800*1200
LSW-8A-10 10 145 0.90 
LSW-11A-8 8 116 1.70  15 11 620 Air
Direct Driven 60±2 G3/4”  —  — 1200*855*1335
LSW-11A-10 10 145 1.40 
LSW-15A-8 8 116 2.30  20 15 670 Air
Direct Driven 60±2 G3/4”  —  — 1200*855*1335
LSW-15A-10 10 145 2.00 
LSW-18.5A-8 8 116 3.00  25 18.5 680 Air
Direct Driven 63±2 G1”  —  — 1400*1571*1340
LSW-18.5A-10 10 145 2.60 
LSW-22A-8 8 116 3.60  30 22 780 Air
Direct Driven 63±2 G1”  —  — 1400*1571*1340
LSW-22A-10 10 145 3.00 
LSW-30A-8 8 116 5.10  40 30 1150 Air
Direct Driven 66±2 G1-1/4”  —  — 1650*1180*1505
LSW-30A-10 10 145 4.30 
LSW-37A-8 8 116 6.40  50 37 1200 Air
Direct Driven 66±2 G1-1/4”  —  — 1650*1180*1505
LSW-37A-10 10 145 5.40 
LSW-45W-8 8 116 8.20  60 45 1490 Water
Direct Driven 68±2 G2” G1-1/2” 10 1800*1360*1670
LSW-45W-10 10 145 7.00 
LSW-55W-8 8 116 10.00  75 55 1570 Water
Direct Driven 69±2 G2” G1-1/2” 12 1800*1360*1670
LSW-55W-10 10 145 8.50 


Company Profile


Q1: Are you a manufacturer or trading company?
A1: Xihu (West Lake) is professional screw air compressor factory located in HangZhou, China, CHINAMFG is Xihu (West Lake) overseas market sales representative.

Q2: Xihu (West Lake) is real member of Atlas-copco group?
A2: Yes, in 2571, Sweden Atlas-copco 100% acquired Xihu (West Lake)

Q3: Xihu (West Lake) air-end from Atlas-copco?
A3: Yes, Xihu (West Lake) LS/LSV, LOH, LSH and CS series air compressors all use Atlas Copco’s air-end.

Q4: What’s your delivery time?
A4: about 10-20days after you confirm the order, other voltage pls contact with us.

Q5: How long is your air compressor warranty?
A5: One year for the whole machine since leave our factory. 

Q6: What’s the payment term?
A6:We accept T/T, LC at sight, Paypal etc.
Also we accept USD, RMB, JPY, EUR, HKD, GBP, CHF, KRW.

Q7: What’s the Min. Order requirement?
A7: 1unit

Q8: What service you can support?
A8: We offer after-sales service, custom service, production view service and one-stop service.

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Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Single Screw Compressor
US$ 49097/unit
1 unit(Min.Order)

Request Sample



air compressor

How Do Water-Lubricated Air Compressors Contribute to Energy Savings?

Water-lubricated air compressors can contribute to energy savings in several ways, making them an attractive option for industries looking to optimize their energy consumption. Here are the key ways in which water-lubricated compressors help achieve energy efficiency:

  1. Reduced friction and improved efficiency: Water serves as a lubricant in water-lubricated compressors, creating a thin film between moving parts to reduce friction. This reduces the energy losses due to mechanical friction and improves the overall efficiency of the compressor. Compared to oil-lubricated compressors, water-lubricated models can achieve higher mechanical efficiency, translating into energy savings over the compressor’s operational lifetime.
  2. Elimination of oil vapor carryover: Oil-lubricated compressors require oil filtration systems to prevent oil carryover into the compressed air stream. These filtration systems consume energy and can introduce pressure drops. In contrast, water-lubricated compressors eliminate the need for oil filtration, reducing energy consumption associated with filtration equipment and minimizing pressure losses. This leads to improved system efficiency and energy savings.
  3. Improved heat transfer and cooling: Water-lubricated compressors offer enhanced heat transfer capabilities compared to oil-lubricated counterparts. Water has a higher specific heat capacity and thermal conductivity, allowing for more efficient heat dissipation. This results in lower operating temperatures and reduces the energy required for cooling the compressor. By optimizing heat transfer, water-lubricated compressors can minimize energy consumption associated with cooling systems or air conditioning in compressor rooms.
  4. Optimized system design: Water-lubricated compressors often employ advanced system designs that further enhance energy efficiency. For example, they may incorporate variable speed drive (VSD) technology, which adjusts the compressor’s speed and power consumption based on the actual air demand. This eliminates energy waste associated with constant-speed operation and reduces energy consumption during periods of low compressed air demand. Additionally, water-lubricated compressors may feature optimized internal components and improved air flow dynamics, resulting in reduced energy losses and improved overall system efficiency.
  5. Heat recovery opportunities: Water-lubricated compressors can provide opportunities for heat recovery. The heat generated during compression can be captured and utilized for various heating applications within the facility, such as space heating, water heating, or process heating. By harnessing this waste heat, water-lubricated compressors contribute to energy savings by offsetting the need for additional energy sources for heating purposes.

By combining these energy-saving features, water-lubricated air compressors help optimize energy consumption, reduce operational costs, and minimize the environmental impact associated with compressed air systems. Implementing water-lubricated compressors with a comprehensive energy management strategy can result in significant energy savings and improved overall sustainability for industrial operations.

air compressor

How Do You Troubleshoot Common Problems with Water-Lubrication Systems?

When encountering common problems with water-lubrication systems, it is essential to follow a systematic troubleshooting approach. Here’s a detailed explanation of the steps involved in troubleshooting common issues with water-lubrication systems:

Step 1: Identify the Problem:

The first step is to identify the specific problem or symptom that is affecting the water-lubrication system. Common problems may include inadequate lubrication, water leaks, abnormal noises, or reduced system performance. Understanding the specific issue will help in determining the appropriate troubleshooting steps.

Step 2: Check Water Supply:

Verify that there is a proper water supply to the system. Ensure that the water source is connected and flowing adequately. Check for any obstructions or restrictions in the water lines that may be affecting the water flow to the lubrication system.

Step 3: Inspect Water Filters and Strainers:

Water filters and strainers are used in water-lubrication systems to remove debris and impurities from the water. Inspect these filters and strainers for clogs or blockages that may be hindering the water flow. Clean or replace the filters as necessary to ensure proper water filtration.

Step 4: Verify Water Pressure:

Check the water pressure within the system to ensure it falls within the recommended range. Low water pressure can result in inadequate lubrication, while high water pressure can cause leaks or damage to the system. Use a pressure gauge to measure the water pressure and adjust it if necessary according to the manufacturer’s guidelines.

Step 5: Examine Water-Lubrication Components:

Closely inspect the various components of the water-lubrication system, including the water pump, distribution lines, lubrication points, and seals. Look for signs of wear, damage, or misalignment that may be contributing to the problem. Tighten loose connections and replace any damaged or worn-out components as needed.

Step 6: Check for Air in the System:

Air trapped within the water-lubrication system can affect its performance. Bleed the system to remove any trapped air. Follow the manufacturer’s instructions for bleeding air from the system, which typically involves opening specific valves or vents until a steady flow of water is achieved.

Step 7: Inspect Cooling Mechanisms:

Water-lubrication systems often incorporate cooling mechanisms, such as heat exchangers or radiators, to dissipate excess heat. Inspect these cooling components for blockages, corrosion, or leaks that may be compromising their effectiveness. Clean or repair the cooling mechanisms as necessary to ensure proper heat dissipation.

Step 8: Consult Manufacturer Documentation:

If the troubleshooting steps above do not resolve the problem, refer to the manufacturer’s documentation, such as the user manual or technical specifications. These resources may provide specific troubleshooting guidelines, diagnostics, or additional maintenance procedures for the water-lubrication system.

Step 9: Seek Professional Assistance:

If the problem persists or if the troubleshooting steps are beyond your expertise, it is advisable to seek professional assistance. Contact the manufacturer’s technical support or consult a qualified technician with experience in water-lubrication systems. They can provide expert guidance and assistance in resolving complex issues.

By following these troubleshooting steps, you can effectively identify and address common problems encountered in water-lubrication systems, ensuring optimal performance and reliability.

air compressor

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:

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

China Professional CHINAMFG 10bar Oil Free Non-Lubricated Rotary Screw Air Compressor   air compressor for carChina Professional CHINAMFG 10bar Oil Free Non-Lubricated Rotary Screw Air Compressor   air compressor for car
editor by CX 2023-12-20