Product Description
|
Product name |
Oil Free Water Lubricated Screw Air Compressor |
|
Model |
WLS |
|
Cooling Method |
Air Cooling |
|
Pressure |
8/1013 bar |
|
Power |
5.5-250 kw |
|
Capacity |
0.3~33.97 m3/min |
|
Voltage |
380V/50HZ, 220V/60HZ, 400V/50HZ, 415V/50HZ or Customer′s Requirements |
|
Color |
Customized |
Advantage
1.Clean air 100% oil-free
2.Use water instead of oil, higher cooling efficiency and compression efficiency
3.Optimal isothermal compression
4.Powerful MAM microcomputer controller and touch screen
5.Reasonable Structure, with perfect balancing
6.Components made of anti-rust and anti-corrosion materials ensure the durability
7.Significant energy saving, environmental-friendly and pollution-free
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.
| Model | Pressure (mpa) |
Displacement (m³/min) |
Power (kw) |
Noise (db) |
Water Inlet Diameter | Lubricating Water (L) |
Air Outlet |
| WLS-0.8/5.5 | 0.8 | 0.3-0.78 | 5.5 | 57 | 3/4″ | 10 | 3/4″ |
| WLS-1.0/5.5 | 1.0 | 0.2-0.65 | |||||
| WLS-0.8/7.5 | 0.8 | 0.35-0.17 | 7.5 | 57 | 3/4″ | 10 | 3/4″ |
| WLS-1.0/7.5 | 1.0 | 0.3-1.05 | |||||
| WLS-1.25/7.5 | 1.25 | 0.24-0.81 | |||||
| WLS-0.8/11 | 0.8 | 0.54-1.72 | 11 | 60 | 1″ | 26 | 3/4″ |
| WLS-1.0/11 | 1 | 0.45-1.42 | |||||
| WLS-1.25/11 | 1.3 | 0.35-1.10 | |||||
| WLS-0.8/15 | 0.8 | 0.75-2.43 | 15 | 60 | 1″ | 26 | 1″ |
| WLS-1.0/15 | 1.0 | 0.65-2.17 | |||||
| WLS-1.25/15 | 1.25 | 0.6-1.80 | |||||
| WLS-0.8/18.5 | 0.8 | 0.9-3.31 | 18.5 | 63 | 1″ | 30 | 1″ |
| WLS-1.0/18.5 | 1 | 0.9-2.82 | |||||
| WLS-1.25/18.5 | 1.3 | 0.6-2.05 | |||||
| WLS-0.8/22 | 0.8 | 1.1-3.7 | 22 | 63 | 1″ | 30 | 1″ |
| WLS-1.0/22 | 1.0 | 0.97-3.21 | |||||
| WLS-1.25/22 | 1.25 | 0.85-2.87 | |||||
| WLS-0.8/30 | 0.8 | 1.55-5.2 | 30 | 63 | 1 1/2″ | 40 | 1 1/2″ |
| WLS-1.0/30 | 1 | 1.255-4.43 | |||||
| WLS-1.25/30 | 1.3 | 1.1-3.63 | |||||
| WLS-0.8/37 | 0.8 | 1.91-6.50 | 37 | 66 | 1 1/2″ | 40 | 1 1/2″ |
| WLS-1.0/37 | 1.0 | 1.6-5.53 | |||||
| WLS-1.25/37 | 1.25 | 1.42-4.47 | |||||
| WLS-0.8/45 | 0.8 | 2.5-8.3 | 45 | 66 | 1 1/2″ | 90 | 2″ |
| WLS-1.0/45 | 1 | 1.91-6.3 | |||||
| WLS-1.25/45 | 1.3 | 1.7-5.56 | |||||
| WLS-0.8/55 | 0.8 | 3.0-10.3 | 55 | 69 | 1 1/2″ | 100 | 2″ |
| WLS-1.0/55 | 1.0 | 2.6-8.55 | |||||
| WLS-1.25/55 | 1.25 | 2.3-7.67 | |||||
| WLS-0.8/75 | 0.8 | 3.95-13 | 75 | 72 | 1 1/2″ | 100 | 2″ |
| WLS-1.0/75 | 1 | 3.4-11.5 | |||||
| WLS-1.25/75 | 1.3 | 3.0-9.7 | |||||
| WLS-0.8/90 | 0.8 | 5.0-16.6 | 90 | 73 | 1 1/2″ | 120 | 2 1/2″ |
| WLS-1.0/90 | 1.0 | 4.3-14.66 | |||||
| WLS-1.25/90 | 1.25 | 3.72-12.6 | |||||
| WLS-0.8/110 | 0.8 | 6.0-20.2 | 110 | 77 | 2″ | 120 | 2 1/2″ |
| WLS-1.0/110 | 1 | 5.0-16.66 | |||||
| WLS-1.25/110 | 1.3 | 4.65-15.56 | |||||
| WLS-0.8/132 | 0.8 | 6.75-22.52 | 132 | 77 | 2″ | 120 | 2 1/2″ |
| WLS-1.0/132 | 1.0 | 6.0-19.97 | |||||
| WLS-1.25/132 | 1.25 | 5.07-16.90 | |||||
| WLS-0.8/160 | 0.8 | 8.5-28.11 | 160 | 79 | 3″ | 160 | 3″ |
| WLS-1.0/160 | 1 | 7.6-25.45 | |||||
| WLS-1.25/160 | 1.3 | 6.7-22.52 | |||||
| WLS-0.8/185 | 0.8 | 10-33.97 | 185 | 79 | 3″ | 160 | 3″ |
| WLS-1.0/185 | 1.0 | 8.72-29 | |||||
| WLS-1.25/185 | 1.25 | 7.75-25.21 | |||||
| WLS-0.8/200 | 0.8 | 11.2-36.75 | 200 | 80 | 4″ | 200 | 4″ |
| WLS-1.0/200 | 1 | 9.68-32.78 | |||||
| WLS-1.25/200 | 1.3 | 9.2-29.24 | |||||
| WLS-0.8/250 | 0.8 | 13.5-45 | 250 | 80 | 4″ | 200 | 4″ |
| WLS-1.25/250 | 1.3 | 10.2-33.97 |
ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
1.1 Oil-free screw air compressor
1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
2.1 Piston air compressor
2.2 Oil-free piston air compressor
2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
3.1 Diesel or Electric portable screw air compressor
3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
4.1 CHINAMFG or Adsorption compressed air drier
4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.
Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.
Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China. /* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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Can air compressors be used for cleaning and blowing dust?
Yes, air compressors can be effectively used for cleaning and blowing dust in various applications. Here’s how air compressors are utilized for these purposes:
1. Cleaning Machinery and Equipment:
Air compressors are commonly used for cleaning machinery and equipment in industries such as manufacturing, automotive, and construction. Compressed air is directed through a nozzle or blowgun attachment to blow away dust, debris, and other contaminants from surfaces, crevices, and hard-to-reach areas. The high-pressure air effectively dislodges and removes accumulated dust, helping to maintain equipment performance and cleanliness.
2. Dusting Surfaces:
Air compressors are also employed for dusting surfaces in various settings, including homes, offices, and workshops. The compressed air can be used to blow dust off furniture, shelves, electronic equipment, and other objects. It provides a quick and efficient method of dusting, especially for intricate or delicate items where traditional dusting methods may be challenging.
3. Cleaning HVAC Systems:
Air compressors are utilized for cleaning HVAC (Heating, Ventilation, and Air Conditioning) systems. The compressed air can be used to blow dust, dirt, and debris from air ducts, vents, and cooling coils. This helps improve the efficiency and air quality of HVAC systems, preventing the buildup of contaminants that can affect indoor air quality.
4. Blowing Dust in Workshops:
In workshops and garages, air compressors are often used to blow dust and debris from workbenches, power tools, and work areas. Compressed air is directed to blow away loose particles and maintain a clean and safe work environment. This is particularly useful in woodworking, metalworking, and other trades where dust and debris can accumulate during the manufacturing or fabrication processes.
5. Cleaning Electronics and Computer Equipment:
Air compressors are employed for cleaning electronics and computer equipment. The compressed air is used to blow dust and debris from keyboards, computer cases, circuit boards, and other electronic components. It helps in preventing overheating and maintaining the proper functioning of sensitive electronic devices.
6. Industrial Cleaning Applications:
Air compressors find extensive use in industrial cleaning applications. They are employed in industrial settings, such as factories and warehouses, for cleaning large surfaces, production lines, and equipment. Compressed air is directed through specialized cleaning attachments or air-operated cleaning systems to remove dust, dirt, and contaminants efficiently.
When using air compressors for cleaning and blowing dust, it is important to follow safety precautions and guidelines. The high-pressure air can cause injury if directed towards the body or sensitive equipment. It is advisable to wear appropriate personal protective equipment, such as safety glasses and gloves, and ensure that the air pressure is regulated to prevent excessive force.
Overall, air compressors provide a versatile and effective solution for cleaning and blowing dust in various applications, offering a convenient alternative to traditional cleaning methods.
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Can air compressors be used for medical and dental applications?
Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:
1. Dental Tools:
Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.
2. Medical Devices:
Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.
3. Laboratory Applications:
Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.
4. Surgical Tools:
In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.
5. Sterilization and Autoclaves:
Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.
6. Dental Air Compressors:
Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.
7. Air Quality Standards:
In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.
8. Compliance and Regulations:
Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.
It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.
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How is air pressure measured in air compressors?
Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:
1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.
2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.
To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.
It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.
When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.
Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.


editor by lmc 2025-02-24
China wholesaler 175 Cfm Stationary Lubricated Construction Direct Connection Screw Air Compressor arb air compressor
Product Description
0.5-80 M3/Min 6-40 Bar 5.5-400 Kw Electrical Stationary Industrial AC Power Direct Driven/Coupled Rotary Screw Air Compressors Advantages
1.DENAIR Enhanced energy saving screw air compressor reached the super energy saving level
2.Energy Efficient Index 1(EEI 1) approved according to GB19153-2009, the energy consumption is 10%~15% lower than EEI 2.
3.CHINAMFG air compressor design with 72 types of technology patent, real bigger air flow
4.State-of-the-art screw element, original Germany CHINAMFG air end, ladvanced SAP profile design, superior Sweden CHINAMFG element bearings
5.CHINAMFG air compressdor dopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany, Danfoss pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.
6.Smart touch screen design and 0 pressure drop design
7.Higher efficiency cooling system and electrical motor
8.Stainless steel pipes, reasonable inner design, ensure long service life without maintenance.
Technical Parameters Of Energy Saving Rotary Screw Air Compressor
| Model | Maxinmum working | Capacity(FAD)* | Installed motor power | Driving mode& | Noise | Dimensions(mm) | Weight | Air outlet | |||||||
| pressure | 50 HZ | 60 HZ | Cooling method | level** | pipe diameter | ||||||||||
| bar(g) | psig | m3/min | cfm | m3/min | cfm | kw | hp | dB(A) | L | W | H | kg | |||
| DA-5 | 7.5 | 109 | 0.80 | 28 | 0.80 | 28 | 5.5 | 7.5 | Belt Driven | 75 | 900 | 600 | 860 | 315 | G3/4″ |
| 8.5 | 123 | 0.78 | 28 | 0.78 | 28 | 5.5 | 7.5 | Air Cooling | 75 | 900 | 600 | 860 | |||
| DA-7 | 7.5 | 109 | 1.09 | 39 | 1.09 | 39 | 7.5 | 10 | 75 | 900 | 600 | 860 | 315 | G3/4″ | |
| 8.5 | 123 | 1.07 | 38 | 1.07 | 38 | 7.5 | 10 | 75 | 900 | 600 | 860 | ||||
| 10.5 | 152 | 0.92 | 32 | 0.91 | 32 | 7.5 | 10 | 75 | 900 | 600 | 860 | ||||
| 13.0 | 189 | 0.73 | 26 | 0.72 | 26 | 7.5 | 10 | 75 | 900 | 600 | 860 | ||||
| DA-11 | 7.5 | 109 | 1.66 | 59 | 1.66 | 59 | 11 | 15 | 75 | 1230 | 650 | 900 | 324 | G3/4″ | |
| 8.5 | 123 | 1.64 | 58 | 1.64 | 58 | 11 | 15 | 75 | 1230 | 650 | 900 | ||||
| 10.5 | 152 | 1.45 | 51 | 1.45 | 51 | 11 | 15 | 75 | 1230 | 650 | 900 | ||||
| 13.0 | 189 | 1.13 | 40 | 1.12 | 40 | 11 | 15 | 75 | 1230 | 650 | 900 | ||||
| DA-15 | 7.5 | 109 | 2.54 | 90 | 2.53 | 89 | 15 | 20 | Direct Driven | 75 | 1465 | 990 | 1345 | 453 | G1-1/4″ |
| 8.5 | 123 | 2.51 | 88 | 2.50 | 88 | 15 | 20 | Air Cooling | 75 | 1465 | 990 | 1345 | |||
| 10.5 | 152 | 1.97 | 70 | 1.86 | 66 | 15 | 20 | 75 | 1465 | 990 | 1345 | ||||
| 13.0 | 189 | 1.91 | 67 | 1.83 | 65 | 15 | 20 | 75 | 1465 | 990 | 1345 | ||||
| DA-18 | 7.5 | 109 | 3.04 | 107 | 3.65 | 129 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | 453 | G1-1/4″ | |
| 8.5 | 123 | 3.03 | 107 | 3.63 | 128 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | ||||
| 10.5 | 152 | 3.00 | 106 | 2.38 | 84 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | ||||
| 13.0 | 189 | 1.91 | 67 | 2.36 | 83 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | ||||
| DA-22 | 7.5 | 109 | 3.57 | 126 | 3.65 | 129 | 22 | 30 | 75 | 1465 | 990 | 1345 | 477 | G1-1/4″ | |
| 8.5 | 123 | 3.55 | 125 | 3.63 | 128 | 22 | 30 | 75 | 1465 | 990 | 1345 | ||||
| 10.5 | 152 | 3.00 | 106 | 2.38 | 84 | 22 | 30 | 75 | 1465 | 990 | 1345 | ||||
| 13.0 | 189 | 2.97 | 105 | 2.36 | 83 | 22 | 30 | 75 | 1465 | 990 | 1345 | ||||
| DA-30 | 7.5 | 109 | 5.28 | 187 | 4.49 | 159 | 30 | 40 | 85 | 1600 | 1250 | 1550 | 682 | G1-1/2″ | |
| 8.5 | 123 | 5.26 | 186 | 4.48 | 158 | 30 | 40 | 85 | 1600 | 1250 | 1550 | ||||
| 10.5 | 152 | 5.21 | 184 | 4.47 | 158 | 30 | 40 | 85 | 1600 | 1250 | 1550 | ||||
| 13.0 | 189 | 3.45 | 122 | 3.58 | 126 | 30 | 40 | 85 | 1600 | 1250 | 1550 | ||||
| DA-37 | 7.5 | 109 | 6.54 | 231 | 6.33 | 224 | 37 | 50 | 85 | 1600 | 1250 | 1550 | 728 | G1-1/2″ | |
| 8.5 | 123 | 6.52 | 230 | 6.30 | 222 | 37 | 50 | 85 | 1600 | 1250 | 1550 | ||||
| 10.5 | 152 | 5.21 | 184 | 4.47 | 158 | 37 | 50 | 85 | 1600 | 1250 | 1550 | ||||
| 13.0 | 189 | 5.16 | 182 | 4.43 | 156 | 37 | 50 | 85 | 1600 | 1250 | 1550 | ||||
| DA-45 | 7.5 | 109 | 7.67 | 271 | 7.79 | 275 | 45 | 60 | 85 | 1600 | 1250 | 1550 | 728 | G1-1/2″ | |
| 8.5 | 123 | 7.62 | 269 | 7.76 | 574 | 45 | 60 | 85 | 1600 | 1250 | 1550 | ||||
| 10.5 | 152 | 6.46 | 228 | 6.24 | 220 | 45 | 60 | 85 | 1600 | 1250 | 1550 | ||||
| 13.0 | 189 | 6.41 | 226 | 4.44 | 157 | 45 | 60 | 85 | 1600 | 1250 | 1550 | ||||
| DA-55 | 7.5 | 109 | 9.76 | 345 | 9.14 | 323 | 55 | 75 | 85 | 1876 | 1326 | 1700 | 1310 | G2″ | |
| 8.5 | 123 | 9.67 | 342 | 9.06 | 320 | 55 | 75 | 85 | 1876 | 1326 | 1700 | ||||
| 10.5 | 152 | 7.53 | 266 | 7.74 | 273 | 55 | 75 | 85 | 1876 | 1326 | 1700 | ||||
| 13.0 | 189 | 7.40 | 261 | 6.30 | 222 | 55 | 75 | 85 | 1876 | 1326 | 1700 | ||||
| DA-75 | 7.5 | 109 | 14.21 | 502 | 11.72 | 414 | 75 | 100 | 85 | 1876 | 1326 | 1700 | 1325 | G2″ | |
| 8.5 | 123 | 12.55 | 443 | 11.63 | 411 | 75 | 100 | 85 | 1876 | 1326 | 1700 | ||||
| 10.5 | 152 | 9.51 | 336 | 11.43 | 404 | 75 | 100 | 85 | 1876 | 1326 | 1700 | ||||
| 13.0 | 189 | 9.23 | 326 | 8.75 | 309 | 75 | 100 | 85 | 1876 | 1326 | 1700 | ||||
| DA-90(W) | 7.5 | 109 | 16.62 | 587 | 17.01 | 601 | 90 | 120 | Direct Driven | 72 | 2450 | 1800 | 1700 | 2450 | DN80 |
| 8.5 | 123 | 16.37 | 578 | 16.82 | 594 | 90 | 120 | Air Cooling Or | 72 | 2450 | 1800 | 1700 | |||
| 10.5 | 152 | 14.21 | 502 | 14.87 | 525 | 90 | 120 | Water Cooling | 72 | 2450 | 1800 | 1700 | |||
| 13.0 | 189 | 11.77 | 416 | 11.27 | 398 | 90 | 120 | 72 | 2450 | 1800 | 1700 | ||||
| DA-110(W) | 7.5 | 109 | 20.13 | 711 | 19.10 | 674 | 110 | 150 | 72 | 2450 | 1800 | 1700 | 2500 | DN80 | |
| 8.5 | 123 | 20.05 | 708 | 19.06 | 673 | 110 | 150 | 72 | 2450 | 1800 | 1700 | ||||
| 10.5 | 152 | 16.33 | 576 | 17.01 | 601 | 110 | 150 | 72 | 2450 | 1800 | 1700 | ||||
| 13.0 | 189 | 14.11 | 498 | 14.68 | 518 | 110 | 150 | 72 | 2450 | 1800 | 1700 | ||||
| DA-132(W) | 7.5 | 109 | 22.85 | 807 | 24.37 | 861 | 132 | 175 | 72 | 2450 | 1800 | 1700 | 2600 | DN80 | |
| 8.5 | 123 | 22.73 | 802 | 24.23 | 856 | 132 | 175 | 72 | 2450 | 1800 | 1700 | ||||
| 10.5 | 152 | 19.88 | 702 | 18.95 | 669 | 132 | 175 | 72 | 2450 | 1800 | 1700 | ||||
| 13.0 | 189 | 16.51 | 583 | 16.82 | 594 | 132 | 175 | 72 | 2450 | 1800 | 1700 | ||||
| DA-160(W) | 7.5 | 109 | 26.92 | 950 | 27.90 | 985 | 160 | 215 | 78 | 2650 | 1700 | 1850 | 3200 | DN80 | |
| 8.5 | 123 | 26.86 | 949 | 27.76 | 980 | 160 | 215 | 78 | 2650 | 1700 | 1850 | ||||
| 10.5 | 152 | 22.44 | 792 | 23.97 | 846 | 160 | 215 | 78 | 2650 | 1700 | 1850 | ||||
| 13.0 | 189 | 19.63 | 693 | 18.82 | 664 | 160 | 215 | 78 | 2650 | 1700 | 1850 | ||||
| DA-185(W) | 7.5 | 109 | 28.89 | 1571 | 30.53 | 1078 | 185 | 250 | 78 | 2650 | 1700 | 1850 | 3300 | DN80 | |
| 8.5 | 123 | 28.84 | 1018 | 30.44 | 1075 | 185 | 250 | 78 | 2650 | 1700 | 1850 | ||||
| 10.5 | 152 | 25.11 | 886 | 27.46 | 970 | 185 | 250 | 78 | 2650 | 1700 | 1850 | ||||
| 13.0 | 189 | 22.08 | 780 | 23.69 | 836 | 185 | 250 | 78 | 2650 | 1700 | 1850 | ||||
| DA-200(W) | 7.5 | 109 | 31.88 | 1126 | 30.53 | 1078 | 200 | 270 | 80 | 3000 | 1950 | 2030 | 4750 | DN100 | |
| 8.5 | 123 | 31.82 | 1124 | 30.44 | 1075 | 200 | 270 | 80 | 3000 | 1950 | 2030 | ||||
| 10.5 | 152 | 28.48 | 1006 | 30.22 | 1067 | 200 | 270 | 80 | 3000 | 1950 | 2030 | ||||
| 13.0 | 189 | 25.00 | 883 | 27.07 | 956 | 200 | 270 | 80 | 3000 | 1950 | 2030 | ||||
| DA-220(W) | 7.5 | 109 | 36.20 | 1278 | 37.22 | 1314 | 220 | 300 | 80 | 3000 | 1950 | 2030 | 4800 | DN100 | |
| 8.5 | 123 | 36.15 | 1276 | 37.17 | 1312 | 220 | 300 | 80 | 3000 | 1950 | 2030 | ||||
| 10.5 | 152 | 31.71 | 1120 | 33.25 | 1174 | 220 | 300 | 80 | 3000 | 1950 | 2030 | ||||
| 13.0 | 189 | 28.48 | 1006 | 27.07 | 956 | 220 | 300 | 80 | 3000 | 1950 | 2030 | ||||
| DA-250(W) | 7.5 | 109 | 43.31 | 1529 | 42.87 | 1514 | 250 | 350 | 80 | 3000 | 1950 | 2030 | 4850 | DN100 | |
| 8.5 | 123 | 43.24 | 1527 | 41.30 | 1458 | 250 | 350 | 80 | 3000 | 1950 | 2030 | ||||
| 10.5 | 152 | 36.03 | 1272 | 37.04 | 1308 | 250 | 350 | 80 | 3000 | 1950 | 2030 | ||||
| 13.0 | 189 | 31.55 | 1114 | 33.15 | 1170 | 250 | 350 | 80 | 3000 | 1950 | 2030 | ||||
| DA-280(W) | 7.5 | 109 | 46.59 | 1645 | 47.16 | 1665 | 280 | 375 | 85 | 3700 | 2300 | 2450 | 5200 | DN125 | |
| 8.5 | 123 | 46.53 | 1643 | 45.64 | 1612 | 280 | 375 | 85 | 3700 | 2300 | 2450 | ||||
| 10.5 | 152 | 42.95 | 1516 | 42.56 | 1503 | 280 | 375 | 85 | 3700 | 2300 | 2450 | ||||
| 13.0 | 189 | 35.89 | 1267 | 36.95 | 1305 | 280 | 375 | 85 | 3700 | 2300 | 2450 | ||||
| DA-315(W) | 7.5 | 109 | 53.16 | 1877 | 50.88 | 1797 | 315 | 425 | 85 | 3700 | 2300 | 2450 | 6000 | DN125 | |
| 8.5 | 123 | 52.63 | 1858 | 50.83 | 1795 | 315 | 425 | 85 | 3700 | 2300 | 2450 | ||||
| 10.5 | 152 | 43.05 | 1520 | 46.27 | 1634 | 315 | 425 | 85 | 3700 | 2300 | 2450 | ||||
| 13.0 | 189 | 42.93 | 1516 | 40.32 | 1424 | 315 | 425 | 85 | 3700 | 2300 | 2450 | ||||
| DA-355(W) | 7.5 | 109 | 63.37 | 2238 | 58.12 | 2052 | 355 | 475 | 85 | 4500 | 2500 | 2450 | 7000 | DN125 | |
| 8.5 | 123 | 63.16 | 2230 | 56.54 | 1997 | 355 | 475 | 85 | 4500 | 2500 | 2450 | ||||
| 10.5 | 152 | 52.63 | 1858 | 51.57 | 1821 | 355 | 475 | 85 | 4500 | 2500 | 2450 | ||||
| 13.0 | 189 | 43.79 | 1546 | 45.35 | 1601 | 355 | 475 | 85 | 4500 | 2500 | 2450 | ||||
| DA-400(W) | 7.5 | 109 | 70.99 | 2507 | 61.72 | 2179 | 400 | 550 | 85 | 4500 | 2500 | 2450 | 8000 | DN125 | |
| 8.5 | 123 | 70.64 | 2494 | 59.72 | 2109 | 400 | 550 | 85 | 4500 | 2500 | 2450 | ||||
| 10.5 | 152 | 52.63 | 1858 | 56.52 | 1996 | 400 | 550 | 85 | 4500 | 2500 | 2450 | ||||
| 13.0 | 189 | 46.34 | 1636 | 51.35 | 1813 | 400 | 550 | 85 | 4500 | 2500 | 2450 | ||||
*) 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)
***) EEI 1- Energy Effiency Index 1, which refers to enhanced energy saving series
Specifications are subject to change without notice.
DENAIR Factory & Product Lines
DENAIR Exhibition
We carefully selected for you the classic case
Enhanced Energy Saving Air Compressor in Oman
Project Name: Sandblasting in Muscat, Oman.
Product Name: 75KW 100HP Enhanced Energy Saving screw air compressor EEI 1 (Energy Efficiency Index 1) with air dryer, air receiver tank and air filters.
Model No. & Qty: DA-75+ x 1.
Working Time: From June, 2016 till now
Event: In June, 2015, 1 set of CHINAMFG enhanced energy saving air compressor system was installed in Muscat Oman. This is the first project finished by CHINAMFG distributor in Oman. Our partner Mr. Hari shared the photos at working site to us as a good starting. That means more and more CHINAMFG energy saving solutions will contribute to the industries in Oman in the near future. CHINAMFG air compressor factory and air compressor distributor will try the best to provide top quality products, cost effective solution and excellent service for local users in Oman. In order to ensure the most professional service, the distributor plans to send 2 service engineers to CHINAMFG factory in ZheJiang for training and learnin. We will update the news at that time.
FAQ
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 air compressor machine?
A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the air compressor?
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: | Lubricated |
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| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Customization: |
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about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How are air compressors employed in the petrochemical industry?
Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:
1. Instrumentation and Control Systems:
Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.
2. Pneumatic Tools and Equipment:
Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.
3. Process Air and Gas Supply:
Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.
4. Cooling and Ventilation:
Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.
5. Nitrogen Generation:
Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.
6. Instrument Air:
Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.
By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.
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How are air compressors employed in the mining industry?
Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:
1. Exploration and Drilling:
Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.
2. Ventilation and Air Quality Control:
Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.
3. Material Conveyance:
In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.
4. Dust Suppression:
Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.
5. Instrumentation and Control:
Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.
6. Explosive Applications:
In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.
7. Maintenance and Repair:
Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.
It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.
By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.
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What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.


editor by CX 2023-12-29