China Professional Oil Free Stationary 40% Energy Saving AC Electrical Rotary Screw Air Compressor with Best Sales

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

Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?

Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:

Water Quality:

  • Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
  • Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.

Water Treatment Methods:

  • Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
  • Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
  • Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
  • Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.

Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.

Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.

air compressor

Are There Any Potential Water-Related Issues with These Compressors?

Yes, there are potential water-related issues that can arise with water-lubricated compressors. Here’s a detailed explanation of some of the common water-related issues associated with these compressors:

Corrosion:

  • Internal Corrosion: Water-lubricated compressors are susceptible to internal corrosion due to the presence of water within the system. If the water used is not properly treated or if corrosion prevention measures are insufficient, the internal components of the compressor can corrode over time. Corrosion can lead to reduced performance, component damage, and the potential for leaks or system failures.
  • External Corrosion: External components such as piping, valves, and fittings can also be affected by corrosion if exposed to water and moisture. Corrosion on these external surfaces can lead to compromised integrity, leaks, and reduced system efficiency.

Water Quality:

  • Water Contaminants: The quality of the water used in water-lubricated compressors is crucial. If the water contains contaminants such as sediment, debris, oil, or chemicals, it can negatively impact the performance and reliability of the compressor. Contaminants can cause blockages, clogging, increased wear on components, reduced lubrication effectiveness, and potential damage to the compressor.
  • Water Hardness: Water hardness, characterized by high mineral content, can lead to scaling and deposits within the compressor and associated components. Scaling can restrict flow, impede heat transfer, and reduce the efficiency of the compressor. It can also contribute to fouling and corrosion issues.

Water Treatment and Filtration:

  • Inadequate Water Treatment: Insufficient or improper water treatment can lead to various issues. If the water is not adequately treated for contaminants, hardness, or pH levels, it can result in accelerated corrosion, scaling, fouling, and reduced lubrication effectiveness. Inadequate water treatment can also contribute to increased maintenance requirements and decreased overall compressor performance.
  • Filtration System Issues: Filtration systems play a crucial role in removing contaminants from the water. However, if the filtration system is not properly maintained, filters become clogged or damaged, or if there are design or installation issues, it can lead to inadequate filtration and compromised water quality. This can result in the accumulation of contaminants, reduced lubrication performance, and potential damage to the compressor.

Water Supply and Availability:

  • Insufficient Water Supply: Water-lubricated compressors rely on a consistent and reliable water supply. If the water supply is insufficient in terms of flow rate, pressure, or quality, it can impact the compressor’s operation and performance. Inadequate water supply can lead to inadequate lubrication, reduced cooling capacity, and increased wear on components.
  • Water Source Availability: The availability of a suitable water source is essential for water-lubricated compressors. In certain locations or applications, accessing clean water or meeting specific water quality requirements may pose challenges. Lack of a suitable water source can limit the feasibility or effectiveness of using water-lubricated compressors.

It is important to address these potential water-related issues by implementing proper water treatment, corrosion prevention measures, regular maintenance of filtration systems, and monitoring of water quality. Adhering to manufacturer guidelines, performing regular inspections, and taking proactive measures can help mitigate these issues and ensure the reliable and efficient operation of water-lubricated compressors.

air compressor

How does a water lubrication system work in air compressors?

A water lubrication system in air compressors is designed to provide lubrication and cooling to the internal components of the compressor using water as the lubricant. This system offers an alternative to traditional oil lubrication systems and has specific advantages in certain applications. Here’s a detailed explanation of how a water lubrication system works in air compressors:

1. Water Injection:

In a water lubrication system, a controlled amount of water is injected into the compression chamber of the air compressor. This can be achieved through various methods, such as direct injection or atomization of water droplets.

2. Lubrication:

As the compressed air is generated, the injected water serves as a lubricant for the internal components of the compressor. The water forms a thin film on the surfaces, reducing friction and wear between the moving parts. This lubrication helps to improve the efficiency and lifespan of the compressor.

3. Cooling:

The water injected into the compression chamber also acts as a cooling medium. As the air is compressed, heat is generated, and the injected water absorbs some of this heat. The water carries away the heat, preventing excessive temperature rise and maintaining optimal operating conditions for the compressor.

4. Separation and Filtration:

After serving its lubrication and cooling purposes, the water needs to be separated from the compressed air. The compressed air and water mixture pass through a separator or filtration system, which separates the water from the compressed air. This can involve mechanisms such as centrifugal force, gravity separation, or filtration media.

5. Water Treatment:

In water lubrication systems, proper water treatment is essential to maintain the quality and performance of the system. Water filtration and purification processes are employed to remove impurities, contaminants, and any solid particles present in the water. This ensures that the injected water is clean and free from any substances that could potentially harm the compressor or the downstream air system.

6. Recirculation or Discharge:

Depending on the specific design of the water lubrication system, the separated water can be recirculated back into the system for reuse or discharged from the compressor. Recirculation systems involve the treatment and filtration of the water before reintroducing it into the compression chamber. Discharge systems, on the other hand, may involve further treatment or disposal of the water in an environmentally responsible manner.

By utilizing a water lubrication system, air compressors can benefit from reduced oil consumption, improved air quality, and enhanced energy efficiency. These systems are commonly employed in industries where oil contamination must be avoided, such as food processing, pharmaceutical manufacturing, and electronics production.

China Professional Oil Free Stationary 40% Energy Saving AC Electrical Rotary Screw Air Compressor with Best SalesChina Professional Oil Free Stationary 40% Energy Saving AC Electrical Rotary Screw Air Compressor with Best Sales
editor by CX 2023-10-19