China Hot selling Silent Oil-Free Single Screw Air Compressor air compressor oil

Product Description

Silent Oil-free Single Screw Air Compressor Advantages:

1.Original Germany AERZEN/DENAIR air end,larger air delivery,lower noise.
2. Pass CE, ISO9001 Quality Certification
3. One of 3 biggest mobile air compressor manufacturer in China
4. Complete before-on-after sales service
5. Immediate reply or solution by email or call
6.Special oil gas separator with patents
7.High efficiency motor, up to 96%
8. More air production,less energy consumption(15% More air production compared with the
    same power).
9. Warranty of absolute oil free,there is no lubricate oil in the air end(class 0 certified by
germany Tuv examination organization.). 
10. Longest service life,Lowest usr cost.

Technical Parameters Of Silent Oil-free Single Screw Air Compressor:

Model Maximum 
working pressure
Capacity FAD Installed 
motor power
Noise Dimensions
Weight Air outlet 
bar(e) psig m³/min cfm kW hp dB(A) L*W*H kg
DAW-7A 8 116 1.24 43.8 7.5 10 58 1550*775*1445 630 3/4″
10 145 1.1 38.8 7.5 10
DAW-11A 8 116 1.67 59 11 15 58 1550*775*1445 650 3/4″
10 145 1.43 50.5 11 15
12.5 181 1.1 38.8 11 15
DAW-15A 8 116 2.27 80.2 15 20 63 1400*1000*1200   900 1″
10 145 2.05 72.4 15 20
12.5 181 1.51 53.3 15 20
DAW-18A 8 116 3.01 106.3 18.5 25 65 1400*1000*1200   970 1″
10 145 2.65 93.6 18.5 25
12.5 181 2.07 73.1 18.5 25
DAW-22A 8 116 3.46 122.2 22 30 65 1400*1000*1200 1000 1″
10 145 3.08 108.8 22 30
12.5 181 2.59 91.5 22 30
DAW-30A 8 116 5.4 190.7 30 40 66 1850*1150*1300 1250 1-1/2″
10 145 4.54 160.3 30 40
12.5 181 4.11 145.1 30 40
DAW-37A 8 116 6.26 221 37 50 67 1850*1150*1300 1297 1-1/2″
10 145 5.51 194.6 37 50
12.5 181 5.19 183.3 37 50
DAW-45A/W 8 116 7.56 266.9 45 60 68 1850*1150*1300 1500 2″
10 145 6.59 232.7 45 60
12.5 181 5.94 209.7 45 60
DAW-55A/W 8 116 9.61 339.3 55 75 70 1900*1500*1700 1596 2″
10 145 8.75 309 55 75
12.5 181 7.54 266.2 55 75
DAW-75A/W 8 116 12.42 438.6 75 100 73 1900*1500*1700 1790 2″
10 145 11.34 400.4 75 100
12.5 181 9.83 347.1 75 100
DAW-90A/W 8 116 16.19 571.7 90 120 73 1900*1500*1700 2250 2-1/2″
10 145 14.42 509.2 90 120
12.5 181 12.23 431.8 90 120
DAW-110W 8 116 19.28 680.8 110 150 78  2150*1600*1800 2270 2-1/2″
10 145 16.74 591.1 110 150
12.5 181 15 529.7 110 150
DAW-132W 8 116 22.06 778.9 132 175 78  2150*1600*1800 2330 2-1/2″
10 145 20.25 715 132 175
12.5 181 18.14 640.5 132 175
DAW-160W 8 116 28.66 1012 160 215 78  2150*1600*1800 3660 3″
10 145 24.36 860.2 160 215
12.5 181 22.03 777.9 160 215
DAW-200W 8 116 36.39 1284.9 200 270 78 3100*1700*2090 3690 4″
10 145 29.81 1052.6 200 270
12.5 181 27.43 968.6 200 270
DAW-250W 8 116 42.6 1504.2 250 350 79 3100*1700*2090 3900 4″
10 145 38.75 1368.3 250 350
12.5 181 34.43 1215.7 250 350

DENAIR Factory:

At DENAIR, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CHINAMFG has been exporting to more than 90 countries across the globe. We have sales representatives who can speak English, Spanish, French, Russian and Arabic, which makes it easier for our clients from all over the world to interact and negotiate with us. 

DENAIR Sales Offices:

DENAIR Exhibitions:

CHINAMFG Global Customers:

Water-lubricated Oil-free Screw Air Compressor Packaging:


Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2: No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town,HangZhou, ZHangZhoug Province, China 

Q3: Warranty terms of your machine? 
A3: One year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.

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Lubrication Style: Oil-free
Cooling System: Air Cooling/Water Cooling
Cylinder Position: Vertical


.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

How Do You Ensure the Air Quality Produced by Oil-Free Compressors?

Ensuring the air quality produced by oil-free compressors involves a combination of factors, including proper equipment selection, appropriate maintenance practices, and adherence to industry standards. Here’s a detailed explanation of how to ensure the air quality produced by oil-free compressors:

1. Equipment Selection:

Choosing the right oil-free compressor is the first step in ensuring air quality. It is essential to select a compressor that is specifically designed for applications requiring clean air, such as food and beverage processing, pharmaceutical manufacturing, electronics assembly, and medical facilities. Consideration should be given to the compressor’s filtration capabilities, air treatment options, and compliance with relevant industry standards and regulations.

2. Filtration Systems:

The filtration systems integrated into oil-free compressors play a crucial role in maintaining air quality. These systems typically include pre-filters, coalescing filters, and activated carbon filters. Pre-filters remove larger particles, coalescing filters capture smaller particles and coalesce water vapor, and activated carbon filters absorb odors and remaining oil vapors. Regular inspection and replacement of filters are necessary to ensure their effectiveness in removing contaminants from the compressed air.

3. Regular Maintenance:

Regular maintenance is key to preserving air quality. This includes following the manufacturer’s recommended maintenance schedule, which may involve tasks such as filter replacement, lubrication of non-compressed parts, and inspection of seals and gaskets. Proper maintenance helps prevent air leaks, ensures the compressor operates efficiently, and reduces the risk of contamination.

4. Air Quality Testing:

Periodic air quality testing is essential to verify the effectiveness of the oil-free compressor and its filtration system. Air quality testing can involve measuring parameters such as oil content, particulate matter, moisture levels, and microbiological contamination. By conducting regular air quality tests, any deviations from the desired air quality standards can be identified, allowing for corrective actions to be taken promptly.

5. Compliance with Standards:

Adhering to industry standards and regulations is crucial in ensuring air quality. Standards such as ISO 8573 specify the acceptable limits for contaminants in compressed air, including oil content, particulate matter, and moisture. Compressors should be selected, installed, and operated in accordance with these standards. Regular auditing and certification processes can help ensure ongoing compliance and provide assurance of air quality to stakeholders.

6. Training and Education:

Proper training and education of personnel involved in the operation and maintenance of oil-free compressors are vital. Operators should be familiar with the specific requirements of oil-free compressors, including the importance of filtration, maintenance procedures, and recognizing signs of potential issues. Training programs can help ensure that operators have the necessary knowledge and skills to maintain air quality effectively.

By considering equipment selection, implementing robust filtration systems, conducting regular maintenance, performing air quality testing, complying with standards, and providing appropriate training, the air quality produced by oil-free compressors can be effectively ensured. These measures are essential for applications where air purity is critical, safeguarding product integrity, process efficiency, and the health and safety of personnel.

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

Can Oil-Free Compressors Be Used in Medical Applications?

Yes, oil-free compressors can be used in medical applications and are widely utilized in various healthcare settings. These compressors provide clean, oil-free compressed air, making them suitable for critical medical processes and equipment. Here’s a detailed explanation of the use of oil-free compressors in medical applications:

1. Surgical Tools and Instrumentation:

Oil-free air compressors are commonly used in surgical suites and operating rooms to power pneumatic surgical tools and instrumentation. Surgical tools, such as pneumatic drills, saws, and shavers, rely on compressed air for their operation. Using oil-free compressors ensures that the compressed air delivered to these tools is free from oil contamination, reducing the risk of oil particles entering the surgical site or interfering with the sterile environment.

2. Respiratory Devices:

In respiratory care, oil-free compressors play a vital role in powering various medical devices, such as ventilators, nebulizers, and continuous positive airway pressure (CPAP) machines. These devices require a clean and reliable source of compressed air to deliver oxygen or medication to patients. Oil-free compressors ensure that the compressed air produced is free from oil, providing safe and effective respiratory support.

3. Dental Equipment:

Oil-free compressors are extensively used in dental offices and clinics to power dental tools and equipment, including dental drills, air syringes, and suction devices. Dental procedures require a high level of precision, and any contamination in the compressed air can compromise patient safety and treatment outcomes. By using oil-free compressors, dental professionals can ensure the delivery of clean, oil-free compressed air for optimal dental care.

4. Laboratory Applications:

Oil-free compressors are employed in various laboratory applications within the medical field. These applications include air supply for analytical instruments, sample preparation, cell culture, and other research processes. Oil-free compressed air is essential in maintaining the integrity of samples, preventing contamination, and ensuring accurate and reliable test results.

5. Pharmaceutical Manufacturing:

In pharmaceutical manufacturing, oil-free compressors are utilized to provide clean compressed air for critical processes. This includes applications such as product drying, powder handling, and packaging. Oil-free compressed air ensures the purity and quality of pharmaceutical products, meeting stringent regulatory requirements and minimizing the risk of contamination.

6. Medical Gas Systems:

Oil-free compressors are an integral part of medical gas systems, which provide essential gases like oxygen, nitrogen, and compressed air throughout healthcare facilities. These gases are used for various medical purposes, such as patient breathing, anesthesia, laboratory testing, and respiratory therapy. Oil-free compressors ensure the delivery of clean and uncontaminated medical gases, maintaining patient safety and the reliability of medical gas systems.

Oil-free compressors offer the necessary features and performance required for critical medical applications. They provide clean, oil-free compressed air, ensuring patient safety, maintaining sterility, and meeting regulatory standards. However, it’s important to select oil-free compressors specifically designed and certified for medical applications and adhere to manufacturer guidelines and maintenance protocols to ensure optimal performance and patient care.

China Hot selling Silent Oil-Free Single Screw Air Compressor   air compressor oilChina Hot selling Silent Oil-Free Single Screw Air Compressor   air compressor oil
editor by CX 2024-05-08

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