China best CHINAMFG 10bar Oil Free Non-Lubricated Rotary Screw Air Compressor manufacturer

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)

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air compressor

What Maintenance Is Required for Oil-Free Air Compressors?

Maintaining oil-free air compressors is crucial to ensure their optimal performance, reliability, and longevity. While oil-free compressors have lower maintenance requirements compared to oil-lubricated compressors, regular maintenance tasks are still necessary. Here’s a detailed explanation of the maintenance required for oil-free air compressors:

1. Regular Filter Replacements:

Oil-free air compressors have filters that help remove contaminants from the intake air. These filters should be regularly inspected and replaced as recommended by the manufacturer. Filters can become clogged over time, affecting the compressor’s efficiency and potentially increasing the risk of contaminants entering the compressed air stream. Regular filter replacements ensure proper air filtration and help maintain the desired level of air purity.

2. Condensate Drainage:

Oil-free compressors produce condensate, which is a mixture of water and oil-free compressed air. Proper condensate drainage is essential to prevent water buildup in the system, which can lead to corrosion and damage. Most oil-free compressors have automatic condensate drains that remove accumulated condensate. It’s important to regularly check and maintain these drains to ensure they are functioning correctly and prevent any blockages or leaks.

3. Inspection of Air Hoses and Connections:

Regularly inspecting air hoses, fittings, and connections is important to identify any leaks or damage. Leaks can lead to air pressure loss, reduced compressor efficiency, and increased energy consumption. Damaged hoses or connections should be repaired or replaced promptly to maintain the integrity of the compressed air system. Regular inspections can help identify potential issues early on and prevent costly breakdowns or inefficiencies.

4. Monitoring Air Pressure and Temperature:

Monitoring the air pressure and temperature of the compressor system is crucial for identifying any abnormalities or deviations from the desired operating parameters. Most oil-free compressors have built-in pressure and temperature sensors that provide real-time data. Regularly checking and recording this data can help detect any potential issues, such as pressure drops, abnormal temperature increases, or excessive cycling. If any abnormalities are detected, they should be investigated and addressed promptly to prevent further damage to the compressor.

5. General System Checks:

Performing general system checks on a regular basis helps ensure that all components of the oil-free air compressor are functioning properly. This includes inspecting the compressor motor, cooling fans, belts, and electrical connections. Any signs of wear, damage, or abnormal noise should be addressed promptly. Additionally, checking the compressor for any signs of oil contamination or unusual odors can help identify potential issues with the compressor system.

6. Manufacturer’s Recommendations:

It’s essential to follow the manufacturer’s recommended maintenance schedule and guidelines for the specific oil-free air compressor model. The manufacturer’s recommendations may include additional maintenance tasks specific to the compressor’s design and components. Adhering to these guidelines ensures that the compressor is properly maintained and can help prevent warranty issues.

Regular and proactive maintenance of oil-free air compressors is essential to ensure their reliable and efficient operation. Following the recommended maintenance tasks, monitoring system parameters, and promptly addressing any issues that arise can help extend the compressor’s lifespan, reduce the risk of breakdowns, and maintain the desired air quality for the intended applications.

air compressor

What Are the Energy Efficiency Benefits of Oil-Free Air Compressors?

Oil-free air compressors offer several energy efficiency benefits. Here’s a detailed explanation of the advantages of oil-free compressors in terms of energy efficiency:

1. No Energy Losses from Oil Carryover:

Oil-lubricated compressors require oil to lubricate the moving parts, which can result in oil carryover into the compressed air system. This oil carryover can lead to energy losses as it accumulates in filters, pipes, and other components. Oil-free compressors eliminate this issue by not using oil in the compression process, minimizing energy losses associated with oil carryover and reducing the need for additional energy-consuming filtration equipment to remove oil from the compressed air.

2. Reduced Friction and Mechanical Losses:

Oil-free compressors typically have advanced designs and technologies that minimize friction and mechanical losses during the compression process. The absence of oil eliminates the need for oil seals, lubrication systems, and associated energy-consuming components. This reduction in friction and mechanical losses improves the overall energy efficiency of the compressor, resulting in lower energy consumption and operating costs.

3. Optimized Air Delivery:

Oil-free compressors are designed to deliver compressed air directly without the need for additional oil removal equipment. This streamlined process eliminates the pressure drops and energy losses associated with oil separation and filtration. As a result, oil-free compressors can provide more efficient air delivery, ensuring that the compressed air reaches the intended applications with minimal energy losses.

4. Variable Speed Drive (VSD) Capability:

Many oil-free compressors are equipped with variable speed drive (VSD) technology, which allows the compressor to adjust its speed based on the actual demand for compressed air. By operating at lower speeds during periods of lower demand, VSD-equipped compressors can significantly reduce energy consumption compared to fixed-speed compressors that run at a constant speed regardless of the demand. VSD technology enables oil-free compressors to match the output precisely to the required compressed air load, resulting in energy savings and improved efficiency.

5. Improved System Control and Monitoring:

Oil-free compressors often come with advanced control and monitoring systems that enable precise management of the compression process. These systems allow for optimized operation, including load balancing, pressure control, and energy-saving modes. By closely monitoring and controlling various parameters, such as air pressure, temperature, and power consumption, the compressor can operate at the most energy-efficient levels, minimizing wasted energy and maximizing overall system efficiency.

6. Longer Service Life and Maintenance Intervals:

Oil-free compressors tend to have longer service life and maintenance intervals compared to oil-lubricated compressors. The absence of oil reduces the accumulation of deposits, contaminants, and wear on components, resulting in extended equipment life and reduced maintenance requirements. Longer service intervals mean less downtime for maintenance, allowing the compressor to operate at peak efficiency for longer periods, ultimately saving energy and reducing operational costs.

Overall, oil-free air compressors offer significant energy efficiency benefits due to reduced energy losses from oil carryover, minimized friction and mechanical losses, optimized air delivery, variable speed drive capability, improved system control and monitoring, and extended service life. These advantages make oil-free compressors an attractive option for industries and applications where energy efficiency and cost savings are paramount concerns.

air compressor

How Do Oil-Free Air Compressors Compare to Oil-Lubricated Ones?

When comparing oil-free air compressors to oil-lubricated ones, several factors come into play, including performance, maintenance requirements, air quality, and application suitability. Here’s a detailed comparison between oil-free air compressors and oil-lubricated ones:

1. Oil Contamination:

Oil-lubricated compressors require oil for lubrication and cooling of internal components. However, there is a risk of oil carryover, where small amounts of oil can mix with the compressed air. This oil contamination can have adverse effects on downstream equipment, processes, and end products. In contrast, oil-free air compressors eliminate the risk of oil contamination as they operate without lubricating oil. This makes them suitable for applications that require clean and oil-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

2. Compressed Air Quality:

Oil-lubricated compressors may introduce oil aerosols, vapors, or particles into the compressed air stream. While filters and separators can help mitigate oil contamination, achieving completely oil-free compressed air may be challenging. In contrast, oil-free air compressors deliver clean and dry compressed air without any oil content. They are designed to meet strict air quality standards, such as ISO 8573-1 Class 0, ensuring the highest level of air purity. This makes them ideal for applications where air quality is critical, such as in pharmaceutical manufacturing, research laboratories, and electronics assembly.

3. Maintenance Requirements:

Oil-lubricated compressors require regular maintenance to ensure proper lubrication, filter replacement, and oil changes. The presence of oil also necessitates careful monitoring of oil levels and potential leaks. Maintenance tasks can be more involved and time-consuming compared to oil-free compressors. On the other hand, oil-free air compressors generally have lower maintenance requirements since they don’t require oil changes or oil-related maintenance. However, regular maintenance tasks such as filter replacements and general system checks are still necessary to maintain optimal performance and reliability.

4. Initial Cost and Energy Efficiency:

Oil-lubricated compressors typically have a lower initial cost compared to oil-free compressors. However, oil-free compressors can offer long-term cost savings due to reduced maintenance requirements and lower energy consumption. Oil-lubricated compressors use oil for lubrication, which adds to the energy consumption as the compressor needs to overcome the friction generated by the oil. In contrast, oil-free compressors eliminate the need for oil, resulting in higher energy efficiency and potential energy savings over the compressor’s lifespan.

5. Application Suitability:

The choice between oil-free and oil-lubricated compressors depends on the specific application requirements. Oil-lubricated compressors are often suitable for general industrial applications where compressed air quality is not critical, and oil carryover is acceptable. They are commonly used in manufacturing, construction, and automotive industries. On the other hand, oil-free compressors are essential for applications that demand clean and oil-free compressed air, such as in food processing, pharmaceutical production, electronics manufacturing, and critical research environments.

It’s important to consider the specific needs of the application, industry regulations, and the desired level of compressed air purity when choosing between oil-free and oil-lubricated compressors. Consulting with compressed air experts and considering factors such as air quality requirements, maintenance costs, and long-term energy efficiency can help determine the most suitable compressor type for a particular application.

China best CHINAMFG 10bar Oil Free Non-Lubricated Rotary Screw Air Compressor   manufacturer China best CHINAMFG 10bar Oil Free Non-Lubricated Rotary Screw Air Compressor   manufacturer
editor by CX 2024-02-04

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