China supplier Oil Free Low Noise Screw Air Compressor air compressor CHINAMFG freight

Product Description

Oil free Low Noise Screw Air Compressor  

Advantages of our screw air compressor:
1. Approved by ISO9001certificate, SGS, CE and etc..
2. Adopt the most advanced technology and world famous brand of twin screw main machine designing and  manufacturing, no leakage, ensure high air discharge and low energy consumption.
3. Adopt high quality electric motor with CHINAMFG bearing, IP54, convenient maintenance and long use life.
4. Adopt world famous brand of air intake filter, oil filter, air and oil separator, realize high filtration accuracy, compressed air oil content under 3ppm, reach to international advanced standard level. 
5. Equip with the most advanced air control system. Adopt air intake valve, intelligent control system and pressure sensor combined control method, can operate by ON and OFF 2 point, stepless air capacity control system, time-delay stop and automatically start device 3 air capacity control methods, can meet different clients demand.
6. Intelligent microcomputer control system, Chinese and English language operation interface, malfunction display, alarm and machine stop automatically.
7. Adopt high quality and world famous brand of main components, like UK APD oil filter, America AMOT temperature controlling valve, SCHNEIDER electric parts and etc., high efficiency, reliable and long use life.
8. Equip with after air compression cooler combination with the air and water separator, compact structure and save space, avoid leakage and improve the air and water separating efficiency mostly.
Photos of  our air screw compressor:

Parameters of  our twin screw compressor:
NOTE: F stands for wind cooling method, W stands for water cooling method. Other type of pressure value machine can be customized.

Air displacemen/
Exhause pressure (m3/min/Mpa)
0.33/0.7 0.43/0.7 0.6/0.7 0.8/0.7 1.23/0.7 1.65/0.7 2.7/0.7 3.0/0.7 3.6/0.7 5.2/0.7 6.6/0.7 7.8/0.7 10.1/10.7 13.5/0.7 16.3/0.7
0.33/0.8 0.4/0.8 0.55/0.8 0.7/0.8 1.16/0.8 1.62/0.8 2.5/0.8 2.92/0.8 3.53/0.8 5.0/0.8 6.3/0.8 7.5/0.8 9.8/0.8 12.3/0.8 15.6/0.8
0.25/1.0 0.36/1.0 0.5/1.0 0.65/1.0 1.02/1.0 1.4/1.0 2.0/1.0 2.7/1.0 3.2/1.0 4.5/1.0 5.6/1.0 6.8/1.0 8.8/1.0 11.0/1.0 14.2/1.0
0.22/1.3 0.3/1.3 0.45/1.3 0.6/1.3 0.86/1.3 1.21/1.3 1.8/1.3 2.2/1.3 2.4/1.3 3.5/1.3 4.8/1.3 5.8/1.3 7.2/1.3 9.0/1.3 11.5/1.3
Power/ (Kw) 2.2 3 4 5.5 7.5 11 15 18.5 22 30 37 45 55 75 90
Ooltage (V/Hz) 380V/50Hz
Noise    (±3,dBa) 63 63 65 65 67 67 68 70 72 73 74 75 76 78 78
Exhaust temprature Wind cooling type <=Environmental temperature+13ºC,  Water cooling type <=40ºC,
Outlet pipe size 1/2″ 1/2″ 1/2″ 1/2″ 1/2″ 3/4″ 1″ 1″ 1″ 1 1/2″ 1 1/2″ 1 1/2″ DN50 DN50 DN50
Weight (Kg) 260 280 300 350 360 400 430 590 650 950 980 1050 1850 1900 2100
Dimensions (mm) 800*760*1102 800*760*1102 800*760*
950*760*1202 900*1000*1290 belt type 900*1000*1290 1500*950*1280 1600*1100*1430 1900*1150*1500 2000*1150*1680
strait type 1350*850*1257


Model TKL-110
Air displacemen/
Exhause pressure (m3/min/Mpa)
20.4/0.7 24/0.7 27.8/0.7 32.5/0.7 35/0.7 40.7/0.7 45.3/0.7 51.5/0.7 57/0.7 68/0.7 73.6/0.7 83/0.7 90/10.7 101/0.7 111/0.7
20/0.8 23/0.8 27.1/0.8 30.5/0.8 33.3/0.8 38.2/0.8 43/0.8 50.5/0.8 55.5/0.8 66.2/0.8 71.4/0.8 82/0.8 89/0.8 100/0.8 110/0.8
17.8/1 21/1.0 25.2/1.0 27/1.0 30.6/1.0 34.5/1.0 38.1/1.0 43/1.0 50.5/1.0 55.6/1.0 62/1.0 73/1.0 80/1.0 86/1.0 95/1.0
14.5/1.3 18.1/1.3 21.2/1.3 23.6/1.3 26.3/1.3 29.8/1.3 35/1.3 38.3/1.3 42.1/1.3 46.5/1.3 52.5/1.3 60/1.3 68/1.3    
Power/ (Kw) 110 132 160 185 200 220 250 280 315 355 400 450 500 560 630
Ooltage (V/Hz) 380V/50Hz 380-10000V/50Hz
Noise    (±3,dBa) 78 78 78 78 80 80 80 80 80 80 82 82 82 82 82
Exhaust temprature Wind cooling type <=Environmental temperature+13ºC,  Water cooling type <=40ºC,
Outlet pipe size DN80 DN80 DN80 DN80 DN100 DN100 DN100 DN100 DN125 DN125 DN150 DN150 DN150 DN200 DN200
Weight (Kg) 3300 3500 4000 4600 4700 5100 5100 5500 7500 8300 8400 9000 9500 10000 10000
Dimensions (mm) F 2800*1540*1900 F 2800*1540*1900 F 3150*1650*1900 F 3100*1940*2389 F 3400*2000*2330 4500*200*2462 4650*2340*2835
W 2400*1540*1900 W 2400*1540*1900 W 2600*1700*1980 W 2600*1700*1980 W 3200*1800*2125

Our factory and workshop:

After sales service for our air CHINAMFG product:
1. Providing professional air compression program designing for free.
2. Providing our factory original machine parts at lowest price after machine sales.
3. Providing training and guidance for free, customers can send their staff to our factory to learn how to operate the machines.
4. Warranty period: the screw main machine is 1 year, the bearing is 1 year, the wear parts of air intake valve, electric components, electromagnetic valve, rate valve are 6 months
5. The air filter, oil filter, oil-water separator, lubricating oil, rubber parts and etc. are not included in warranty range.

Certification and patents of our air compressor

Q1: Are you factory or trade company?  
A1: We are factory.
Q2: Warranty terms of your machine? 
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines? 
A3: Yes, of course.
Q4: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

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Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor


air compressor

What Are the Downsides of Using Oil-Free Air Compressors?

While oil-free air compressors offer numerous advantages, there are also some downsides to consider. Understanding these drawbacks is important when evaluating the suitability of oil-free compressors for specific applications. Here’s a detailed explanation of the downsides of using oil-free air compressors:

1. Higher Initial Cost:

Oil-free air compressors generally have a higher initial cost compared to oil-lubricated compressors. The design and technology used in oil-free compressors, such as specialized coatings, precision manufacturing, and advanced filtration systems, contribute to their higher price tag. This can be a significant factor for budget-conscious buyers or for applications where cost is a primary consideration. However, it’s important to weigh the initial cost against the long-term benefits and potential cost savings in terms of maintenance, energy efficiency, and reduced risk of oil contamination.

2. Reduced Durability:

Oil-free compressors may have slightly reduced durability compared to oil-lubricated compressors. The absence of oil for lubrication can result in increased wear on certain components, such as piston rings, valves, and bearings. However, modern advancements in materials and engineering have significantly improved the durability and lifespan of oil-free compressors. With proper maintenance and adherence to recommended operating conditions, oil-free compressors can still provide reliable performance over an extended period.

3. Higher Energy Consumption:

Oil-free air compressors typically have higher energy consumption compared to oil-lubricated compressors. The absence of oil for lubrication increases friction within the compressor, requiring more energy to overcome this resistance. However, advancements in compressor design, such as improved air ends, energy-efficient motors, and variable speed drives, have helped minimize this energy consumption gap. Additionally, the potential energy savings from eliminating the need for oil changes and reducing the risk of pressure drops due to oil contamination can offset the higher energy consumption over the compressor’s lifetime.

4. Limited Cooling Capacity:

Oil-free compressors may have limited cooling capacity compared to oil-lubricated compressors. Oil acts as a lubricant and coolant in oil-lubricated compressors, effectively dissipating heat generated during compression. In contrast, oil-free compressors rely on other cooling mechanisms, such as air or water cooling, which may have limitations in handling high heat loads. This can be a consideration for applications that require continuous or high-duty cycle operation in elevated ambient temperatures. Adequate cooling systems and proper monitoring of temperature limits are necessary to prevent overheating and ensure optimal performance of oil-free compressors.

5. Noisy Operation:

Oil-free air compressors are generally noisier compared to oil-lubricated compressors. The absence of lubricating oil can result in increased noise levels due to direct metal-to-metal contact between rotating and reciprocating parts. However, advancements in noise reduction technologies and sound insulation materials have helped mitigate this issue to some extent. Additionally, the noise level can vary between different models and brands of oil-free compressors, so it’s important to consider the specific noise requirements of the application and select a compressor that meets those criteria.

Despite these downsides, oil-free air compressors have become increasingly popular and widely used in various industries due to their advantages in providing clean, oil-free compressed air. It’s important to assess the specific requirements of the application, consider the trade-offs, and consult with compressed air experts to determine whether an oil-free compressor is the most suitable choice.

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

What Is an Oil-Free Air Compressor?

An oil-free air compressor, also known as an oilless air compressor, is a type of air compressor that operates without the use of lubricating oil in the compression chamber. Unlike traditional air compressors that rely on oil for lubrication and sealing, oil-free compressors employ alternative methods to achieve compression and deliver clean, oil-free compressed air. Here’s a detailed explanation of how oil-free air compressors work and their key characteristics:

Working Principle:

Oil-free air compressors utilize various techniques to compress air without the need for oil. The most common methods include:

  • Dry Compression: In this method, the compression chamber doesn’t have any oil present. Special materials, coatings, and surface treatments are used to reduce friction and wear between the moving parts, allowing for efficient compression without oil lubrication.
  • Water or Air Cooling: Oil-free compressors often employ advanced cooling mechanisms, such as water or air cooling, to dissipate the heat generated during compression. This helps to maintain the operating temperature within acceptable limits and ensures the longevity of the compressor.
  • Piston Rings and Seals: Instead of relying on oil for lubrication and sealing, oil-free compressors use specialized piston rings, seals, or other forms of dry frictionless technology. These components provide the necessary sealing and reduce internal friction, allowing for efficient compression without the need for oil.

Characteristics of Oil-Free Air Compressors:

1. Clean and Oil-Free Air: The primary advantage of oil-free air compressors is that they deliver air that is free from oil contamination. This makes them suitable for applications where oil contamination can be detrimental, such as in the medical, pharmaceutical, food and beverage, electronics, and automotive industries.

2. Low Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated compressors. Since there is no oil to change or monitor, maintenance tasks related to oil filtration, oil changes, and oil disposal are eliminated. This can result in cost savings and reduced downtime.

3. Compact and Lightweight: Oil-free compressors are often designed to be compact and lightweight, making them portable and easy to transport. This makes them suitable for applications where mobility is required, such as construction sites, workshops, and on-site maintenance tasks.

4. No Oil Contamination Risk: With oil-free compressors, there is no risk of oil contaminating the compressed air system. This eliminates the need for additional filtration or separation equipment to remove oil from the compressed air, simplifying the overall system design.

5. Lower Initial Cost: In general, oil-free compressors tend to have a lower initial cost compared to oil-lubricated compressors. This can be advantageous for applications with budget constraints or when the specific requirements of the application align with the capabilities of oil-free compressors.

It’s important to note that oil-free air compressors may have certain limitations compared to oil-lubricated compressors. They may have lower maximum operating pressures and higher operating temperatures. Additionally, the absence of oil lubrication may result in slightly reduced efficiency and increased wear on certain components over time.

By understanding the working principle and characteristics of oil-free air compressors, users can determine whether this type of compressor is suitable for their specific application and requirements.

China supplier Oil Free Low Noise Screw Air Compressor   air compressor CHINAMFG freightChina supplier Oil Free Low Noise Screw Air Compressor   air compressor CHINAMFG freight
editor by CX 2024-02-06

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