Product Description
REDUCE ENERGY CONSUMPTION
Under different conditions,the demand for gas will float.Through a large number of research and calculation of marketdemandCha nun confirmed it.Only about 10% of applications require stable air supplyTherefore,frequency conversioncompressor can play a greater role in energy saving.
Energy cost often accounts for 70% of the life cycle cost of a compressor. The production of compressed air may account for 40% of all electricity costs in the plant.In almost every factory,the gas consumption will vary with different time periods,with its high and low CHINAMFG periods. permanent magnet variable frequency screw air compressor can supply glass completely according to the requirements of gas consumption,which can not only save a lot of energy, but also protect theenvironment for future generations.
INTERIOR STRUCTURE
CUSTOM OIL
COOLED MOTOR
First-stage energy-efficient motor,Low Noise,IP65 protection grade
AUTOMOTIVE GRADE
PERMANENT MAGNET MOTOR
IE4 high efficiency permanent magnet motor.
AUTOMOTIVE PERMANENT MAGNET MOTOR ForN38UH high grade permanent magnet, IP67 protection grade, and fully enclosed structure uniquevacuum epoxy dipping paint,effectively guaranteeing the stable operation of unit.
CHANUN
CUSTOM CONVERTER
Permanent magnet variable-frequency conversion technology, wide voltage. energy-saving ,with a small impact on the power grid.
7 INCH TOUCH SCREEN
Large touch screen.all-round protection monitoring with functions of motor start/stopcontrol, operation control:reversal protection of air compressor: and multi-point temperature detection and control protection.
HIGH MOBILITY (OPTIONAL)
Easy and flexible to rotate. so that the air compressor is able to move conveniently andquickly (optional)
ZheJiang CHINAMFG Machinery Manufacturing Co. , Ltd. is located in HangZhou, ZheJiang .CHINAMFG is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop,a comprehensive first-class exhibition hall and a testing laboratory.
CHINAMFG has excellent mechanical engineering designers, an experienced staff team and a professional management team. The production concept focuses on energy-saving and is committed to perfecting and improving the technological process in order to get the core technology of super frequency energy-saving, achieving the characteristics of mute, durability, power saving and safety.
The company has 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts.
Dukas adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer!
CHINAMFG air compressors not only cover the domestic market but also are exported to more than 20 countries and regions such as South Africa, Australia, Thailand, Russia, Argentina, Canada and so on.
Dukas products have won a good reputation from users for their excellent quality and style. The company has always adhered to the concept of quality first, service first and dedication to providing every customer with excellent products and meticulous after-sales service!
Dukas warmly welcome customers to visit our factory and establish a wide range of cooperation!
Frequency Asked Question:
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our Factory is Located in Xihu (West Lake) Dis. County, HangZhou City, ZheJiang Province, China.
Q3: Will you provide spare parts of your products?
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.
Q4: Can you accept OEM orders?
A4: Yes, with professional design team, OEM orders are highly welcome.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.
Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.
Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 24 Hours |
|---|---|
| Warranty: | 2 Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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Are there special considerations for air compressor installations in remote areas?
Yes, there are several special considerations to take into account when installing air compressors in remote areas. These areas often lack access to infrastructure and services readily available in urban or well-developed regions. Here are some key considerations:
1. Power Source:
Remote areas may have limited or unreliable access to electricity. It is crucial to assess the availability and reliability of the power source for operating the air compressor. In some cases, alternative power sources such as diesel generators or solar panels may need to be considered to ensure a consistent and uninterrupted power supply.
2. Environmental Conditions:
Remote areas can present harsh environmental conditions that can impact the performance and durability of air compressors. Extreme temperatures, high humidity, dust, and corrosive environments may require the selection of air compressors specifically designed to withstand these conditions. Adequate protection, insulation, and ventilation must be considered to prevent damage and ensure optimal operation.
3. Accessibility and Transport:
Transporting air compressors to remote areas may pose logistical challenges. The size, weight, and portability of the equipment should be evaluated to ensure it can be transported efficiently to the installation site. Additionally, the availability of suitable transportation infrastructure, such as roads or air transportation, needs to be considered to facilitate the delivery and installation process.
4. Maintenance and Service:
In remote areas, access to maintenance and service providers may be limited. It is important to consider the availability of trained technicians and spare parts for the specific air compressor model. Adequate planning for routine maintenance, repairs, and troubleshooting should be in place to minimize downtime and ensure the longevity of the equipment.
5. Fuel and Lubricants:
For air compressors that require fuel or lubricants, ensuring a consistent and reliable supply can be challenging in remote areas. It is necessary to assess the availability and accessibility of fuel or lubricant sources and plan for their storage and replenishment. In some cases, alternative or renewable fuel options may need to be considered.
6. Noise and Environmental Impact:
Remote areas are often characterized by their natural beauty and tranquility. Minimizing noise levels and environmental impact should be a consideration when installing air compressors. Selecting models with low noise emissions and implementing appropriate noise reduction measures can help mitigate disturbances to the surrounding environment and wildlife.
7. Communication and Remote Monitoring:
Given the remote location, establishing reliable communication channels and remote monitoring capabilities can be essential for effective operation and maintenance. Remote monitoring systems can provide real-time data on the performance and status of the air compressor, enabling proactive maintenance and troubleshooting.
By addressing these special considerations, air compressor installations in remote areas can be optimized for reliable operation, efficiency, and longevity.
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How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
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What is the purpose of an air compressor?
An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:
1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.
2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.
3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.
4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.
5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.
6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.
Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.


editor by CX 2024-02-02
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.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Customization: |
Available
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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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