China factory 10 Bar 7-50 M3/Min Dry Oil Free Screw Type Air Compressor air compressor CHINAMFG freight

Product Description

Industrial Silent/Mute Medical Dry Oil Free Oilless Direct Drive Rotary Double Screw Type Air Compressor Advantages

1.Clean air 100% oil-free, class 0 oil free air according to ISO8537-1  
 
2.Adopt GHH air end made in Germany
 
3.Technology patent used in oil free compressed air system
 
4.Significant energy saving, environmental-friendly and pollution-free
 
5.Low operation and maintenance cost
 
6.Powerful MAM microcomputer controller and touch screen
 
7.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc. 

DENAIR Dry Type Oil Free Screw Air Compressor In Hannover Messe 2017
 

DENAIR Class 0 Certification

Comparison between dry oil free compressor and lubricated screw air compressor

Dry Type Oil-free Air Compressor Technical Parameters

Model Maximum working pressure Capacity(FAD)* Installed
motor
power
Cooling Method Noise Level** Dimensions
(mm)
Weight Air  Outlet Pipe Diameter
50 Hz 60 Hz
bar(e) psig m³/min cfm m³/min cfm kW hp dB(A) L W H kG
DWW-55 7 102 9.35 330 8.06 285 55 75 Air Cooling W-water Cooling 74 2000 1200 1650 1900 G1-1/2″
8 116 9.17 324 8.04 284 55 75 74 2000 1200 1650 1900 G1-1/2″
10 145 8.11 286 7.05 249 55 75 74 2000 1200 1650 1900 G1-1/2″
DWW-55W 7 102 9.35 330 8.06 285 55 75 74 2000 1200 1650 1800 G1-1/2″
8 116 9.17 324 8.04 284 55 75 74 2000 1200 1650 1800 G1-1/2″
10 145 8.11 286 7.05 249 55 75 74 2000 1200 1650 1800 G1-1/2″
DWW-75 7 102 12.71 449 11.56 408 75 100 74 2000 1200 1650 2100 DN50
8 116 11.78 416 11.53 407 75 100 74 2000 1200 1650 2100 DN50
10 145 11.57 409 10.11 357 75 100 74 2000 1200 1650 2100 DN50
DWW-75W 7 102 12.71 449 11.56 408 75 100 74 2000 1200 1650 2000 DN50
8 116 11.78 416 11.53 407 75 100 74 2000 1200 1650 2000 DN50
10 145 11.57 409 10.11 357 75 100 74 2000 1200 1650 2000 DN50
DWW-90 7 102 14.6 515 13.61 480 90 120 76 2800 1800 1860 2800 DN50
8 116 14.32 506 13.47 476 90 120 76 2800 1800 1860 2800 DN50
10 145 13.55 478 12.5 441 90 120 76 2800 1800 1860 2800 DN50
DWW-90W 7 102 14.6 515 13.61 480 90 120 76 2800 1800 1860 2180 DN50
8 116 14.32 506 13.47 476 90 120 76 2800 1800 1860 2180 DN50
10 145 13.55 478 12.5 441 90 120 76 2800 1800 1860 2180 DN50
DWW-110 7 102 20.27 716 N/A*** N/A*** 110 150 78 2800 1800 1860 3200 DN65
8 116 19.03 672 N/A*** N/A*** 110 150 78 2800 1800 1860 3200 DN65
10 145 16.65 588 15.57 550 110 150 78 2800 1800 1860 3200 DN65
DWW-110W 7 102 20.27 716 N/A*** N/A*** 110 150 78 2800 1800 1860 3050 DN65
8 116 19.03 672 N/A*** N/A*** 110 150 78 2800 1800 1860 3050 DN65
10 145 16.65 588 15.57 550 110 150 78 2800 1800 1860 3050 DN65
DWW-132 7 102 23.94 845 20.09 709 132 175 78 2800 1800 1860 3340 DN65
8 116 22.47 793 19.87 702 132 175 78 2800 1800 1860 3340 DN65
10 145 20.19 713 N/A*** N/A*** 132 175 78 2800 1800 1860 3340 DN65
DWW-132W 7 102 23.94 845 20.48 723 132 175 78 2800 1800 1860 3170 DN65
8 116 22.47 793 20.26 715 132 175 78 2800 1800 1860 3170 DN65
10 145 20.19 713 19.82 700 132 175 78 2800 1800 1860 3170 DN65
DWW-160 7 102 27.26 962 25.47 899 160 215 78 2800 1800 1860 3700 DN65
8 116 25.86 913 25.17 889 160 215 78 2800 1800 1860 3700 DN65
10 145 23.87 843 23.18 819 160 215 78 2800 1800 1860 3700 DN65
DWW-160W 7 102 27.26 962 25.47 899 160 215 78 2800 1800 1860 3300 DN65
8 116 25.86 913 25.17 889 160 215 78 2800 1800 1860 3300 DN65
10 145 23.87 843 23.8 819 160 215 78 2800 1800 1860 3300 DN65
DWW-185 7 102 30.19 1066 28.88 1571 185 250 78 2800 1800 1860 3900 DN65
8 116 29.53 1043 28.3 999 185 250 78 2800 1800 1860 3900 DN65
10 145 27.2 960 27.17 960 185 250 78 2800 1800 1860 3900 DN65
DWW-185W 7 102 30.19 1066 28.88 1571 185 250 78 2800 1800 1860 3460 DN65
8 116 29.53 1043 28.3 999 185 250 78 2800 1800 1860 3460 DN65
10 145 27.2 960 27.17 960 185 250 78 2800 1800 1860 3460 DN65
DWW-200W 7 102 36.41 1286 31.14 1100 200 270 78 3100 2150 2200 4300 DN100
8 116 33.86 1196 30.52 1078 200 270 78 3100 2150 2200 4300 DN100
10 145 30.35 1071 28.82 1018 200 270 78 3100 2150 2200 4300 DN100
DWW-220W 7 102 38.99 1377 37.54 1325 220 300 78 3100 2150 2200 4500 DN100
8 116 37.93 1339 36.78 1299 220 300 78 3100 2150 2200 4500 DN100
10 145 33.79 1193 31.08 1097 220 300 78 3100 2150 2200 4500 DN100
DWW-250W 7 102 47.26 1669 41.53 1466 250 350 78 3100 2150 2200 4550 DN100
8 116 43.31 1529 40.69 1437 250 350 78 3100 2150 2200 4550 DN100
10 145 38.88 1373 37.43 1322 250 350 78 3100 2150 2200 4550 DN100
DWW-280W 7 102 51.04 1802 N/A*** N/A*** 280 375 80 3400 2400 2200 4800 DN100
8 116 47.24 1668 N/A*** N/A*** 280 375 80 3400 2400 2200 4800 DN100
10 145 43.26 1528 41.4 1462 280 375 80 3400 2400 2200 4800 DN100
DWW-315W 7 102 52.03 1837 N/A*** N/A*** 315 425 80 3400 2400 2200 5000 DN100
8 116 51.04 1802 N/A*** N/A*** 315 425 80 3400 2400 2200 5000 DN100
10 145 47.18 1666 N/A*** N/A*** 315 425 80 3400 2400 2200 5000 DN100

Low Pressure Dry Type Oil-free Air Compressor Technical Parameters

Model Maximum working pressure Capacity(FAD)* Installed
motor
power
Cooling Method Noise Level** Dimensions
(mm)
Weight Air
Outlet Pipe Diameter
50 Hz 60 Hz
bar(e) psig m³/min cfm m³/min cfm kW hp dB(A) L W H kG
DWL-55-2 2.5 37 15.33 541 14.4 508 55 75 Air Cooling W-water Cooling 69 2100 1500 1790 2500 DN100
DWL-55-3 3.5 51 12.78 451 10.85 383 55 75 69 2100 1500 1790 2500 DN100
DWL-75-2 2.5 37 19.92 703 19.85 701 75 100 69 2100 1500 1790 2650 DN100
DWL-75-3 3.5 51 16.3 575 15.86 560 75 100 69 2100 1500 1790 2650 DN100
DWL-90-2 2.5 37 26.07 921 26.28 928 90 120 72 2800 1800 1860 2750 DN100
DWL-90-3 3.5 51 19.54 690 18.3 646 90 120 72 2100 1500 1790 2750 DN100
DWL-110(W)-2 2.5 37 33.16 1171 29.82 1053 110 150 72 3100 2150 2200 3500 DN150
DWL-110(W)-3 3.5 51 25.6 904 23.9 884 110 150 72 2800 1800 1860 3000 DN150
DWL-132(W)-2 2.5 37 40.24 1421 36.99 1271 132 175 72 3100 2150 2200 3600 DN150
DWL-132(W)-3 3.5 51 27.23 961 29.43 1039 132 175 72 2800 1800 1860 3100 DN150
DWL-160(W)-2 2.5 37 49.42 1745 45.2 1596 160 215 76 3100 2150 2200 3900 DN150
DWL-160(W)-3 3.5 51 35.75 1262 35.12 1240 160 215 76 3100 2150 2200 3800 DN150
DWL-185(W)-2 2.5 37 56.02 1989 52.71 1861 185 250 79 3400 2400 2200 4100 DN150
DWL-185(W)-3 3.5 51 42.21 1490 40.28 1422 185 250 79 3400 2400 2200 4000 DN150

*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) TBD-To Be Discussed
****) W-Water cooling

DENAIR Factory

Why Choose DENAIR ?
1.Original Germany AERZEN/DENAIR air end,larger air delivery,lower noise.

2. Oil free screw air compressor Pass CE, ISO9001 Quality Certification

3. One of 3 biggest 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%

FAQ

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

Q2: What the exactly address of your factory? 
A2: Our company is located in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang  201502, China
And our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years 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 and Water Cooling
Power Source: AC Power
Customization:
Available

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

air compressor

What Is the Role of Air Dryers in Oil-Free Air Compressor Systems?

Air dryers play a crucial role in oil-free air compressor systems by removing moisture from the compressed air, ensuring dry and moisture-free output. Here’s a detailed explanation of the role of air dryers in oil-free air compressor systems:

1. Moisture Removal:

One of the primary functions of air dryers in oil-free air compressor systems is to remove moisture from the compressed air. During the compression process, atmospheric air is compressed, leading to an increase in temperature. As the compressed air cools down, the water vapor present in the air can condense, resulting in the formation of liquid water. Moisture in the compressed air can cause a range of issues, including corrosion, damage to pneumatic equipment, reduced efficiency in downstream processes, and contamination of products or processes. Air dryers effectively remove this moisture, ensuring that the compressed air remains dry and free from water vapor.

2. Condensation Prevention:

Air dryers also help prevent condensation from occurring within the compressed air system. By removing moisture from the compressed air, air dryers minimize the chances of condensation forming in the compressed air lines, storage tanks, and downstream equipment. Condensation can lead to the accumulation of water, which can cause blockages, corrosion, and other operational issues. Air dryers help maintain the integrity and reliability of the compressed air system by preventing condensation-related problems.

3. Protection of Equipment:

Moisture in the compressed air can be detrimental to pneumatic equipment and tools. Air dryers help protect this equipment by ensuring that the air supplied is dry and free from moisture. Dry air prevents corrosion of internal components, extends the lifespan of pneumatic tools, and helps maintain their optimal performance. By removing moisture, air dryers contribute to the overall reliability and efficiency of the oil-free air compressor system.

4. Purification of Compressed Air:

Air dryers also aid in the purification of compressed air by removing impurities and contaminants, including water vapor, oil droplets, and solid particles. While the primary purpose of air dryers is to remove moisture, they often incorporate additional filtration stages, such as coalescing filters or desiccant beds, to capture and remove other impurities. These filtration stages work in conjunction with the drying process to deliver clean, dry, and purified compressed air that meets the required air quality standards.

5. Optimal Performance:

Properly dried and moisture-free compressed air ensures optimal performance in various applications. In industries such as food and beverage, pharmaceuticals, electronics manufacturing, and painting, where air quality is critical, the use of air dryers is essential to meet specific air purity requirements. Dry compressed air enhances the efficiency and reliability of pneumatic systems, reducing the risk of malfunctions, downtime, and product contamination.

It’s important to note that different types of air dryers are available for oil-free air compressor systems, including refrigerated dryers, desiccant dryers, and membrane dryers. Each type has its own operating principles and suitability for different applications. The selection of the appropriate air dryer depends on factors such as the required level of dryness, the volume of compressed air, operating conditions, and specific industry requirements.

By incorporating air dryers into oil-free air compressor systems, operators can achieve and maintain dry, moisture-free compressed air, ensuring the reliability, efficiency, and integrity of downstream processes and equipment.

air compressor

How Do You Troubleshoot Common Problems with Oil-Free Compressor Systems?

To troubleshoot common problems with oil-free compressor systems, follow these steps:

1. Check Power Supply:

Ensure that the compressor system is properly connected to a reliable power supply. Check for any tripped circuit breakers or blown fuses. Verify that the power switch is in the “on” position.

2. Inspect Air Filters:

Examine the air filters to see if they are dirty or clogged. Restricted airflow due to dirty filters can cause the compressor to overheat or operate inefficiently. Clean or replace the filters as necessary.

3. Check for Air Leaks:

Inspect the entire compressed air system for air leaks. Leaks can lead to reduced system pressure and inefficient operation. Use a leak detection solution or an ultrasonic leak detector to locate and repair any leaks in the system.

4. Monitor Pressure Gauges:

Observe the pressure gauges on the compressor system. If the pressure is consistently below the desired level, it could indicate a problem with the compressor’s output or a leak in the system. Ensure that the pressure relief valves are not open or malfunctioning.

5. Check for Excessive Heat:

Monitor the temperature of the compressor and associated components. If the system is running excessively hot, it may indicate a problem with cooling or lubrication. Ensure that the cooling fans are operating correctly and that the compressor is receiving proper lubrication, if applicable.

6. Inspect Drains and Condensate Management:

Check the drains and condensate management system for proper functioning. Accumulated condensate can cause issues such as water contamination or pressure drops. Ensure that drains are clear and functioning, and that the condensate management system is operating as intended.

7. Review Maintenance Records:

Refer to the maintenance records of the compressor system. Ensure that routine maintenance tasks, such as filter replacements, oil changes (if applicable), and component inspections, have been performed according to the manufacturer’s recommendations. Lack of proper maintenance can contribute to various issues in compressor systems.

8. Consult Manufacturer’s Documentation:

Refer to the manufacturer’s documentation, such as the user manual or troubleshooting guide, for specific guidance on diagnosing and resolving common problems with the oil-free compressor system. Manufacturers often provide detailed troubleshooting steps and recommendations tailored to their specific equipment.

9. Seek Professional Assistance:

If the troubleshooting steps do not resolve the issue or if you are uncertain about performing any maintenance or repairs, it is advisable to seek professional assistance. Contact the manufacturer’s customer support or consult a qualified technician with expertise in oil-free compressor systems.

Remember to prioritize safety when troubleshooting compressor systems. Follow proper lockout/tagout procedures and adhere to all safety guidelines provided by the manufacturer.air compressor

Are Oil-Free Air Compressors Suitable for Food and Beverage Industries?

Yes, oil-free air compressors are highly suitable for the food and beverage industries and are widely used in various applications within these sectors. The clean and oil-free compressed air produced by these compressors is essential to maintain product quality, ensure food safety, and meet industry regulations. Here’s a detailed explanation of why oil-free air compressors are suitable for the food and beverage industries:

1. Preventing Contamination:

The primary advantage of oil-free air compressors in the food and beverage industries is the prevention of oil contamination. These industries have stringent hygiene and safety standards, and any contamination in the production process can compromise product quality and consumer health. Oil-free compressors eliminate the risk of oil particles entering the compressed air stream, ensuring that the compressed air used in various processes, such as packaging, filling, and bottling, is free from oil contamination.

2. Preserving Food Freshness:

Oil-free air compressors help maintain the freshness and quality of food products. In applications such as food packaging, where compressed air is used to create a protective atmosphere or seal packaging, the absence of oil eliminates the risk of oil residues affecting the taste, aroma, or shelf life of the packaged food. Oil-free compressors ensure that the compressed air used for these purposes is clean and does not introduce any unwanted flavors or odors.

3. Compliance with Food Safety Standards:

The food and beverage industries are subject to strict regulations and standards to ensure food safety. Oil-free air compressors help companies meet these requirements by providing clean, oil-free compressed air that adheres to food safety guidelines. Compressed air used in processes like air agitation, product drying, or pneumatic conveyance must be free from contaminants to prevent cross-contamination and maintain hygienic conditions throughout the production chain.

4. Minimizing Product Loss and Waste:

In the food and beverage industries, any product loss or waste can have significant financial and environmental implications. Oil contamination in compressed air can lead to product spoilage, resulting in costly product losses and waste. By using oil-free air compressors, the risk of product contamination is minimized, helping to reduce waste and improve overall production efficiency.

5. Ensuring Equipment Performance and Longevity:

Oil-free air compressors help protect sensitive food and beverage production equipment from oil-related issues. Oil contamination can damage pneumatic valves, seals, and other components, leading to equipment malfunction, unplanned downtime, and costly repairs. Oil-free compressors eliminate these risks, ensuring the longevity and reliable performance of the production equipment.

6. Meeting Industry-Specific Requirements:

The food and beverage industries have specific requirements for compressed air quality and purity. Oil-free air compressors are designed to meet these industry-specific requirements, often complying with standards such as ISO 8573-1 Class 0, which certifies the air as completely oil-free. This certification provides assurance that the compressed air meets the strictest quality standards and is suitable for critical applications in these industries.

By using oil-free air compressors, companies in the food and beverage industries can maintain the highest standards of product quality, hygiene, and safety. It is essential to select oil-free compressors specifically designed for these industries and follow proper maintenance protocols to ensure consistent performance and compliance with industry regulations.

China factory 10 Bar 7-50 M3/Min Dry Oil Free Screw Type Air Compressor   air compressor CHINAMFG freightChina factory 10 Bar 7-50 M3/Min Dry Oil Free Screw Type Air Compressor   air compressor CHINAMFG freight
editor by CX 2024-05-09

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