China OEM 250 Kw Air Cooled Rotary Screw Type Air Compressor for Concrete Breaker best 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.

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.





about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

air compressor

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.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

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.

China OEM 250 Kw Air Cooled Rotary Screw Type Air Compressor for Concrete Breaker best air compressorChina OEM 250 Kw Air Cooled Rotary Screw Type Air Compressor for Concrete Breaker best air compressor
editor by CX 2023-10-17