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75kW 100HP Water Lubricated PM VSD Single Oil-Free Screw Air Compressor
Oil-free water-lubricated air compressors have the following marketing characteristics and advantages:
1. Environmental protection and energy saving
No oil pollution: Using water instead of lubricating oil for lubrication completely avoids the pollution caused by lubricating oil to the environment during production, use and treatment, which meets the requirements of green, low-carbon and sustainable development of modern industry.
Good cooling effect: The water lubrication system has excellent cooling effect, which can keep the air compressor at a good working temperature during operation, reduce energy loss, improve the efficiency of compressed air generation, and reduce energy consumption. According to statistics, compared with traditional air compressors, oil-free water-lubricated air compressors can reduce energy consumption by 15%-36%.
Completely oil-free: There is no oil involved in the entire compression process, which can provide 100% oil-free clean compressed air, meet the production needs of pharmaceutical, food, electronics and other industries with extremely high requirements for air quality, and ensure product quality and safety.
Impurity filtration: When water molecules form a lubricating film between the cylinder wall and the piston, they can also play a cleaning role, adsorb and take away impurities and pollutants in the air, and further improve the purity of compressed air.
2. Low operating cost
No need for lubricating oil and related accessories: The replacement cost of consumables such as lubricating oil, oil filter, oil-gas separator, etc. required by traditional air compressors is eliminated, and the maintenance interval can be extended to 4000-8000 hours, which greatly reduces the maintenance workload and maintenance costs. Its maintenance cost is only about 1/5 of that of traditional micro-oil air compressors.
Low water cost: The cooling water used can be recycled, and the amount of water consumed is relatively small, which reduces the water cost.
3. High safety and reliability
Eliminating oil-related risks: It avoids the potential safety hazards such as fire and explosion caused by the oil lubrication system, reduces the safety risks in the production process, and does not need to worry about the impact of oil leakage and other problems on equipment and production.
Stable equipment operation: Water lubrication makes the air compressor run more smoothly, with less wear on parts, low failure rate, and long service life. It can provide compressed air for production stably for a long time, reducing the risk of production interruption due to equipment failure.
4. Excellent equipment performance
Low noise: The air compressor has low noise during operation and will not cause noise pollution to the surrounding environment and staff. It is suitable for places with strict requirements on working environment noise, such as hospitals, laboratories, etc.
High efficiency: It adopts advanced compression technology and design, such as screw compression, variable frequency compression, etc., which can efficiently compress air into high-pressure air, and can be adjusted according to actual needs to meet the gas demand under different working conditions.
Compact structure: The equipment structure is relatively simple and compact, with a small footprint, easy to install and move, and suitable for use in various places with limited space.
Technical parameter
| Model | Air Delivery (m3/min) | Power (kW) | Lubricating water amount (Liters) |
Cooling water amount T/Hour |
Cooling water inlet/outlet diameter |
Noise dB(A) | Outlet diameter |
Dimensions (mm) | ||
| 8 bar | 10 bar | 12.5 bar | L*W*H | |||||||
| RW-08A/W | 1.17 | 1.05 | 0.81 | 7.5 | 10 | 2.0 | 3/4" | 58 | 3/4" | 800*800*1200 |
| RW-11A/W | 1.65 | 1.42 | 1.10 | 11 | 26 | 2.5 | 1" | 60 | 3/4" | 1150*755*1340 |
| RW-15A/W | 2.43 | 2.17 | 1.80 | 15 | 26 | 3.5 | 1" | 63 | 3/4" | 1150*755*1340 |
| RW-18A/W | 3.13 | 2.82 | 2.05 | 18.5 | 30 | 4.0 | 1" | 65 | 1" | 1400*900*1450 |
| RW-22A/W | 3.52 | 3.21 | 2.78 | 22 | 30 | 5.0 | 1" | 65 | 1" | 1400*900*1450 |
| RW-30A/W | 5.12 | 4.43 | 3.63 | 30 | 40 | 7.0 | 1 1/2" | 67 | 1 1/4" | 1550*1150*1550(A) 1500*1150*1300(W) |
| RW-37A/W | 6.30 | 5.33 | 4.77 | 37 | 40 | 9.0 | 1 1/2" | 67 | 1 1/4" | 1550*1150*1550(A) 1500*1150*1300(W) |
| RW-45A/W | 7.40 | 6.30 | 5.56 | 45 | 90 | 10.0 | 1 1/2" | 68 | 2" | 1980*1300*1760(A) 1800*1300*1670(W) |
| RW-55A/W | 9.60 | 8.55 | 7.67 | 55 | 120 | 12.0 | 1 1/2" | 70 | 2" | 1980*1300*1760(A) 1800*1300*1670(W) |
| RW-75A/W | 13.00 | 11.50 | 9.70 | 75 | 120 | 18.0 | 1 1/2" | 73 | 2" | 2100*1600*1900(A) 2200*1500*1800(W) |
| RW-90A/W | 14.80 | 13.90 | 12.60 | 90 | 180 | 20.0 | 1 1/2" | 73 | 2 1/2" | 2400*1600*2000(A) 2200*1500*1800(W) |
| RW-110A/W | 19.85 | 16.66 | 15.56 | 110 | 180 | 24.0 | 2" | 78 | 2 1/2" | 3000*1700*2250(A) 2200*1500*1800(W) |
| RW-132A/W | 23.10 | 19.97 | 16.90 | 132 | 240 | 30.0 | 2" | 78 | 2 1/2" | 3000*1700*2250(A) 2200*1500*1800(W) |
| RW-160W | 28.11 | 25.45 | 22.52 | 160 | 240 | 35.0 | 3H | 80 | DN80 | 2700*2800*2050 |
| RW-185W | 33.97 | 29.00 | 25.21 | 185 | 300 | 38.0 | 3" | 80 | DN80 | 2700*2800*2050 |
| RW-200W | 36.75 | 32.78 | 29.24 | 200 | 300 | 42.0 | 4" | 80 | DN100 | 2700*2800*2050 |
| RW-220W | 39.67 | 36.75 | 29.63 | 220 | 360 | 47.0 | 4" | 80 | DN100 | 2700*2800*2050 |
| RW-250W | 43.50 | 39.30 | 34.00 | 250 | 360 | 58.0 | 4" | 80 | DN100 | 2700*2800*2050 |
| Note:" A" means air cooling," W" means water cooling. | ||||||||||
Shanghai Rocky Machinery Co., Ltd. was established in 2003 and has 18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.
We are professional gas compressors manufacturer since 2003, Germany standard, more than 100 workers, annual sales exceeding 20 million US dollars with 13 years of exporting experience, strict quality control and delivery on time. We not only supply gas compressor including screw air compressor, but also supply spares parts and after-treat machines.
Our main products series as follows.
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of Taicang,Jiangsu,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What's payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and two years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer's market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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