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China Standard China Professional Manufacturer of A/C Power Rotary Lubricated Screw Air Compressors with Inverter wholesaler

Product Description

Electric Inverter Variable Speed Screw Air Compressor Advantages

DENAIR VSD (Variable Speed Drive) rotary screw air compressors are suitable for customers who need different amount of air supply and extremely accurate pressure. It can facilitate customers to optimize production process and improve productivity.
 
The principle of VSD is to adjust the motor rotation speed automatically according to the actual air demand. The reduced system pressure decreases the total energy consumption of the whole system, which can reduce energy costs by 35% or more.
 
The VSD air compressor reduces the energy consumption through the following points:

1. Removing the low efficiency transformation process from the full loading to unloading
2. Avoiding the power during the unloading process
3. Keeping the pipeline pressure drop under 0.1bar
4. Reducing the average working pressure
5. Lowering the system pressure to reduce the system leakage
6. The soft starting method increases the current balance and avoids the current surge
7. A flexible choice from 4 to 13bar which reduces the power consumption most.

Technical Parameters Of Variable Speed Screw Air Compressor 

Model Maxinmum
working
pressure		 Capacity(FAD) Installed
motor
power		 Driving mode& Cooling method Dimensions
(mm)		 Weight Noise level** Air outlet pipe diameter
50Hz 60Hz
bar(e) psig Min. Max. Min. Max. Min. Max. Min. Max. kw hp L W H kg dB(A)
m3/min cfm m3/min cfm
DVA-5 7.5 109 0.43 0.85 15 30 0.44 0.87 16 31 5.5 7.5 Belt Driven 900 660 960 200 62 G3/4″
8.5 123 0.41 0.85 14 29 0.42 0.84 15 30 5.5 7.5
DVA-7 7.5 109 0.52 1.04 18 37 0.51 1.02 19 36 7.5 10 900 660 960 220 62 G3/4″
8.5 123 0.49 0.98 17 34 0.5 1 18 35 7.5 10
10.5 152 0.45 0.89 16 32 0.45 0.89 16 32 7.5 10
13 189 0.36 0.72 13 25 0.37 0.74 13 26 7.5 10
DVA-11 7.5 109 0.88 1.76 32 62 0.88 1.76 31 62 11 15 900 660 960 280 62 G3/4″
8.5 123 0.87 1.73 31 61 0.85 1.7 30 60 11 15
10.5 152 0.69 1.37 24 48 0.68 1.37 24 48 11 15
13 189 0.56 1.12 20 40 0.56 1.12 20 40 11 15
DVA-15 7.5 109 1.27 2.53 45 89 1.21 2.43 43 86 15 20 Direct Driven
Air
Cooling		 1330 840 1030 325 64 G1-1/4″
8.5 123 1.24 2.48 44 88 1.19 2.38 42 84 15 20
10.5 152 1.02 2.03 36 72 1.17 2.34 41 83 15 20
13 189 0.99 1.98 35 70 1.14 2.27 40 80 15 20
DVA-18 7.5 109 1.5 3 53 106 1.82 3.63 64 128 18.5 25 1330 840 1030 400 64 G1-1/4″
8.5 123 1.47 2.94 52 104 1.77 3.54 63 125 18.5 25
10.5 152 1.45 2.9 51 102 1019 2.37 42 84 18.5 25
13 189 1.01 2.02 36 71 1.17 2.34 41 83 18.5 25
DVA-22 7.5 109 1.85 3.7 65 131 1.85 3.7 65 131 22 30 1330 840 1030 440 66 G1-1/4″
8.5 123 1.81 3.61 64 127 1.81 3.61 64 128 22 30
10.5 152 1.77 3.54 62 125 1.76 3.52 62 124 22 30
13 189 1.45 2.9 51 102 1.19 2.38 42 84 22 30
DVA-30 7.5 109 2.62 5.24 93 185 2.21 4.41 78 156 30 40 1600 1000 1400 670 66 G11/2″
8.5 123 2.57 5.14 91 181 2.15 4.31 76 152 30 40
10.5 152 2.56 5.11 90 180 1.82 3.64 64 129 30 40
13 189 1.72 3.43 61 121 1.77 3.54 63 125 30 40
DVA-37 7.5 109 3.25 6.5 115 230 3.86 7.73 136 273 37 50 1600 1000 1400 710 66 G11/2″
8.5 123 3.24 6.47 114 228 3.81 7.63 135 269 37 50
10.5 152 3.16 6.32 112 223 3.2 6.39 113 226 37 50
13 189 2.55 5.1 90 180 3.14 6.28 111 222 37 50
DVA-45 7.5 109 3.83 7.65 135 270 3.94 7.88 139 278 45 60 1600 1000 1400 860 69 G11/2″
8.5 123 3.8 7.6 134 268 3.85 7.7 136 272 45 60
10.5 152 3.28 6.57 116 232 3.59 7.18 127 254 45 60
13 189 3.2 6.39 113 226 3.17 6.34 112 224 45 60
DVA-55 7.5 109 4.9 9.8 173 346 4.6 9.2 162 325 55 75 1800 1200 1400 1350 69 G2″
8.5 123 4.86 9.71 171 343 4.53 9.06 160 320 55 75
10.5 152 4.62 9.24 163 326 3.9 7.8 138 275 55 75
13 189 3.68 7.35 130 260 3.8 7.59 134 268 55 75
DVA-75 7.5 109 6.96 13.91 246 491 6.27 12.53 221 442 75 100 1800 1200 1400 1450 69 G2″
8.5 123 6.33 12.66 224 447 5.86 11.71 207 413 75 100
10.5 152 4.76 9.51 168 336 5.13 10.26 181 362 75 100
13 189 4.62 9.24 163 326 4.71 9.42 166 333 75 100
DVA-90 7.5 109 8.45 16.9 298 597 8.45 16.91 298 597 90 120 2450 1800 1700 2100 72 DN80
8.5 123 8.35 16.7 295 590 8.4 16.8 297 593 90 120
10.5 152 7.25 14.5 256 512 7.38 14.76 261 521 90 120
13 189 6.25 12.5 221 441 5.71 11.42 202 403 90 120
DVA-110 7.5 109 10.4 20.8 367 734 10.03 20.06 354 708 110 150 2450 1800 1700 2500 75 DN80
8.5 123 10 20 353 706 9.99 19.98 353 706 110 150
10.5 152 8.75 17.5 309 618 8.4 16.8 297 593 110 150
13 189 7.25 14.5 256 512 7.33 14.67 259 518 110 150
DVA-132 7.5 109 11.75 23.5 415 830 12.22 24.43 431 863 132 175 2450 1800 1700 2600 75 DN80
8.5 123 11.6 23.2 410 819 11.92 23.83 421 842 132 175
10.5 152 9.92 19.83 350 700 9.9 19.79 349 699 132 175
13 189 8.23 16.46 291 581 8.32 16.64 294 588 132 175
DVA-160 7.5 109 14 28 494 989 14 27.99 494 988 160 215 2650 1700 1760 3150 75 DN80
8.5 123 13.5 27 477 953 13.66 27.32 482 965 160 215
10.5 152 12 24 424 847 12.02 24.03 424 849 160 215
13 189 10 20 353 706 9.88 19.75 349 697 160 215
DVA-185(W) 7.5 109 15.1 30.2 533 1066 15.23 30.45 538 1075 185 250 Direct
Driven
Air
Cooling
W-Water
Cooling		 2650 1700 1760 3550 75 DN80
8.5 123 15.07 30.14 532 1064 15.03 30.06 531 1061 185 250
10.5 152 13.12 26.24 463 927 13.77 27.54 486 972 185 250
13 189 11.54 23.08 407 815 11.88 23.75 419 839 185 250
DVA-200(W) 7.5 109 17.5 35 618 1236 15.52 31.03 548 1096 200 270 3000 1950 2050 4200 78 DN100
8.5 123 17 34 600 1201 15.17 30.35 536 1071 200 270
10.5 152 15 30 530 1059 14.85 29.69 524 1048 200 270
13 189 13 26 459 918 13.49 26.97 476 952 200 270
DVA-220(W) 7.5 109 18.25 36.5 644 1289 18.84 37.68 665 1331 220 300 3000 1950 2050 4300 78 DN100
8.5 123 18 36 636 1271 16.62 33.24 587 1174 220 300
10.5 152 15.82 31.63 558 1117 16.58 33.16 585 1171 220 300
13 189 14.28 28.55 504 1008 13.49 26.97 476 952 220 300
DVA-250(W) 7.5 109 22.65 45.3 800 1600 21.49 42.99 759 1518 250 350 3000 1950 2050 4400 78 DN100
8.5 123 21.5 43 759 1518 21.08 42.17 744 1489 250 350
10.5 152 18.5 37 653 1306 16.75 33.5 591 1183 250 350
13 189 16.25 32.5 574 1148 16.37 32.74 578 1156 250 350
DVA-280(W) 7.5 109 23.24 46.47 820 1641 23.58 47.16 833 1665 280 375 3700 2300 2450 4900 78 DN125
8.5 123 22.77 45.53 804 1608 22.82 45.64 806 1612 280 375
10.5 152 20.45 40.89 722 1444 20.54 41.03 724 1449 280 375
13 189 17.91 35.81 632 1264 18.38 36.75 649 1298 280 375
DVA-315(W) 7.5 109 26.52 53.03 936 1872 25.44 50.88 898 1797 315 425 3700 2300 2450 7000 80 DN125
8.5 123 26.25 52.5 927 1854 24.26 48.52 857 1713 315 425
10.5 152 23.35 46.69 824 1649 22.75 45.51 803 1607 315 425
13 189 21.41 42.82 756 1512 20.43 40.86 721 1443 315 425
DVA-355(W) 7.5 109 31.61 63.21 1116 2232 27.29 54.57 963 1927 355 475 3700 2300 2450 7500 80 DN125
8.5 123 30.9 61.8 1091 2182 26.78 53.55 945 1891 355 475
10.5 152 25.75 51.5 909 1818 23.56 47.12 832 1663 355 475
13 189 22.83 45.65 806 1612 21.82 43.64 770 1540 355 475
DVA-400(W) 7.5 109 34.39 68.78 1214 2429 35.39 70.77 1249 2499 400 550 3700 2300 2450 8800 80 DN125
8.5 123 33.48 66.95 1182 2364 35.51 69.01 1218 2437 400 550
10.5 152 26.25 52.5 927 1854 24.02 48.04 848 1696 400 550
13 189 23.27 46.54 822 1643 22.24 44.49 785 1571 400 550

*)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

DENAIR Factory

Why Choose DENAIR?

DENAIR Hannover Messe 2017

We carefully selected for you the classic case

DENAIR Air Compressor in Russian Car Factory

Project Name: Russian car factory.

Product Name and Model: Screw air compressors DVA-250 *1, DA-250 *3, DA-90 *1, DVA-90 *1. Refrigerant air dryer DAD-50HTF *1, DAD-15HTF *1. Adsorption dryer DAD-60MXF*1.

Working time: From June, 2016 till now.

Event: DENAIR produced special compressor equipment for car factory in Russia. All compressors can be controlled by 1 computer using Metacentre control system.

In the factory will be produce Chinese brand cars. We try our best to make observation “Made in China ” associate not with cheap price, but with high quality, innovation and grate stability.

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 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.

Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

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air compressor

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.

air compressor

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

In which industries are air compressors widely used?

Air compressors find extensive usage across various industries due to their versatility and ability to generate compressed air. Here are some industries where air compressors are widely employed:

1. Manufacturing: Air compressors are essential in manufacturing processes for powering pneumatic tools and equipment. They are used for tasks such as operating assembly lines, powering robotic machinery, running paint sprayers, and driving pneumatic actuators.

2. Construction: Air compressors play a crucial role in the construction industry. They power pneumatic tools like jackhammers, nail guns, impact wrenches, and concrete breakers. Compressed air is also used for concrete spraying, sandblasting, and operating air-powered lifts and hoists.

3. Automotive: Air compressors are widely used in automotive manufacturing and repair. They power air tools used in auto body shops, tire inflation equipment, pneumatic lifts, and air-operated brake systems. Compressed air is also utilized in vehicle painting and drying processes.

4. Oil and Gas: The oil and gas industry extensively relies on air compressors for various applications. They are used for pneumatic drilling, powering pneumatic tools in refineries and petrochemical plants, operating pneumatic valves and actuators, and providing instrument air for control systems.

5. Food and Beverage: Air compressors are employed in the food and beverage industry for tasks such as packaging, bottling, and sealing. They power pneumatic conveying systems, control air pressure in food processing equipment, and provide clean compressed air for food handling and storage.

6. Pharmaceutical and Healthcare: Air compressors find application in pharmaceutical manufacturing and healthcare facilities. They are used for operating medical equipment, such as ventilators and dental tools. Compressed air is also utilized in pharmaceutical processes, including tablet coating, fluid bed drying, and aseptic packaging.

7. Aerospace: The aerospace industry relies on air compressors for various applications, including aircraft maintenance and assembly. They power pneumatic tools for aircraft repair, provide compressed air for cleaning and pressurizing systems, and support ground operations, such as tire inflation and aircraft de-icing.

8. Mining: Air compressors are extensively used in the mining industry. They power pneumatic tools for drilling, rock blasting, and excavation. Compressed air is also utilized for ventilation, conveying materials, and operating underground equipment.

9. Energy and Utilities: Air compressors play a vital role in the energy and utilities sector. They are used in power generation plants for pneumatic control systems, instrument air, and operating pneumatic valves. Compressed air is also employed for cleaning and maintenance purposes.

These are just a few examples of the industries where air compressors are widely utilized. The versatility and reliability of air compressors make them indispensable in numerous applications across diverse sectors.

China Standard China Professional Manufacturer of A/C Power Rotary Lubricated Screw Air Compressors with Inverter wholesaler China Standard China Professional Manufacturer of A/C Power Rotary Lubricated Screw Air Compressors with Inverter wholesaler
editor by CX 2023-10-27