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China Professional 30kw 40HP Oil Free Less Oilless Non-Lubricated Screw Air Compressor air compressor price

Product Description

Oil Free Rotary Compressor For Medical Industry 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 Oil Free Rotary Compressor For Medical Industry:

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:

DENAIR 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.

Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power


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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

What are the differences between stationary and portable air compressors?

Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:

1. Mobility:

The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.

2. Power Source:

Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.

3. Tank Capacity:

Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.

4. Performance and Output:

The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.

5. Noise Level:

Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.

6. Price and Cost:

Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.

When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.

air compressor

Can air compressors be integrated into automated systems?

Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:

Pneumatic Automation:

Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.

Control and Regulation:

In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.

Sequential Operations:

Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.

Energy Efficiency:

Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.

Monitoring and Diagnostics:

Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.

When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.

In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.

air compressor

What maintenance is required for air compressors?

Maintaining air compressors is essential to ensure their optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, improves efficiency, and reduces the risk of accidents. Here are some key maintenance tasks for air compressors:

1. Regular Inspection: Perform visual inspections of the air compressor to identify any signs of wear, damage, or leaks. Inspect the compressor, hoses, fittings, and connections for any abnormalities. Pay attention to oil leaks, loose bolts, and worn-out components.

2. Oil Changes: If your air compressor has an oil lubrication system, regular oil changes are crucial. Follow the manufacturer’s recommendations for the frequency of oil changes and use the recommended oil type. Dirty or degraded oil can impact compressor performance and lead to premature wear.

3. Air Filter Cleaning or Replacement: Clean or replace the air filter regularly to ensure proper air intake and prevent contaminants from entering the compressor. Clogged or dirty filters can restrict airflow and reduce efficiency.

4. Drain Moisture: Air compressors produce moisture as a byproduct of the compression process. Accumulated moisture in the tank can lead to rust and corrosion. Drain the moisture regularly from the tank to prevent damage. Some compressors have automatic drains, while others require manual draining.

5. Belt Inspection and Adjustment: If your compressor has a belt-driven system, inspect the belts for signs of wear, cracks, or tension issues. Adjust or replace the belts as necessary to maintain proper tension and power transmission.

6. Tank Inspection: Inspect the compressor tank for any signs of corrosion, dents, or structural issues. A damaged tank can be hazardous and should be repaired or replaced promptly.

7. Valve Maintenance: Check the safety valves, pressure relief valves, and other valves regularly to ensure they are functioning correctly. Test the valves periodically to verify their proper operation.

8. Motor and Electrical Components: Inspect the motor and electrical components for any signs of damage or overheating. Check electrical connections for tightness and ensure proper grounding.

9. Keep the Area Clean: Maintain a clean and debris-free area around the compressor. Remove any dirt, dust, or obstructions that can hinder the compressor’s performance or cause overheating.

10. Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s manual for specific maintenance instructions and recommended service intervals for your air compressor model. They provide valuable information on maintenance tasks, lubrication requirements, and safety precautions.

Regular maintenance is vital to keep your air compressor in optimal condition and extend its lifespan. It’s also important to note that maintenance requirements may vary depending on the type, size, and usage of the compressor. By following a comprehensive maintenance routine, you can ensure the reliable operation of your air compressor and maximize its efficiency and longevity.

China Professional 30kw 40HP Oil Free Less Oilless Non-Lubricated Screw Air Compressor   air compressor priceChina Professional 30kw 40HP Oil Free Less Oilless Non-Lubricated Screw Air Compressor   air compressor price
editor by CX 2023-10-19