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Two-Stage Compression High Efficiency Fixed Speed Screw Air Compressor
Two-stage compression fixed-speed screw air compressor is an efficient and energy-saving air compression equipment with the following characteristics and advantages:
1. Energy-saving and high efficiency
The two-stage compression technology effectively reduces the temperature and energy consumption during the compression process by compressing the air in stages and setting a cooler in the middle. Compared with single-stage compression air compressors, two-stage compression air compressors have higher energy efficiency and lower energy consumption. For example, under the same power, the air output of the two-stage compression air compressor is 13%-15% higher than that of the single-stage compression, which is equivalent to producing more compressed air under the same energy consumption.
2. Stable and reliable operation
The two-stage compression air compressor adopts a large rotor and low speed design, which runs smoothly and has low noise. At the same time, due to the relatively small compression ratio of each stage, the rotor and bearings are subjected to less pressure, and the service life of the equipment is longer. In addition, its advanced control system and high-quality components further improve the stability and reliability of the equipment.
3. Strong adaptability
The two-stage compression power frequency screw air compressor is suitable for a variety of industrial scenarios, including manufacturing, chemical, food processing, medicine and other industries. Its high efficiency and stability enable it to operate stably in different working environments.
4. Low noise design
The equipment adopts a low noise design, with a low noise level during operation, which meets environmental protection requirements. This not only reduces the impact on the surrounding environment, but also improves the comfort of the working environment.
5. Easy operation
The two-stage compression power frequency screw air compressor is equipped with an intelligent control system that supports automatic control and remote monitoring. Operators can operate and monitor the equipment through a simple interface, reducing the difficulty of operation and maintenance costs.
6. Low maintenance cost
The equipment adopts an efficient lubrication and cooling system to reduce mechanical loss. At the same time, its structural design is compact and easy to maintain. For example, its unique intake valve design does not require daily maintenance, which further reduces maintenance costs.
7. Meet high energy efficiency standards
Two-stage compression power frequency screw air compressors usually meet the national first-level energy efficiency standards, which can save 10%-30% of energy consumption compared to low-efficiency equipment.
Technical Parameters
| Model | Air Delivery (m³/min) | Power (kW) |
Noise dB(A) |
Outlet diameter |
Dimension(mm) | Weight (Kg) |
|||
| 7bar | 8Bar | 10bar | 13bar | L*W*H | |||||
| RK30All | 4.5 | 4.2 | 3.5 | 2.7 | 22 | 68 | G11/2 | 1350*850*1110 | 600 |
| RK40All | 6.0 | 5.9 | 4.7 | 4.0 | 30 | 68 | G11/2 | 1200*1000*1350 | 700 |
| RK50All | 7.5 | 6.9 | 6.0 | 5.4 | 37 | 68 | G11/2 | 1500*1000*1350 | 750 |
| RK60All | 10.5 | 9.9 | 7.8 | 6.8 | 45 | 72 | G2 | 2100*1300*1650 | 1250 |
| RK75All | 13.6 | 12.5 | 10.1 | 7.5 | 55 | 76 | G2 | 2100*1300*1650 | 1300 |
| RK100AIl | 16.0 | 15.5 | 12.8 | 10.2 | 75 | 76 | G2 | 2100*1300*1650 | 1350 |
| RK125AII | 20.7 | 19.5 | 16.2 | 14.0 | 90 | 76 | DN80 | 2500*1650*1900 | 2700 |
| RK150AII | 24.8 | 24.0 | 20.2 | 16.0 | 110 | 76 | DN80 | 2500*1650*1900 | 2800 |
| RK175AII | 29.0 | 28.0 | 23.7 | 19.0 | 132 | 78 | DN80 | 2500*1650*1900 | 3000 |
| RK220All | 34.0 | 32.5 | 28.0 | 23.0 | 160 | 78 | DN80 | 3000*1900*1950 | 4300 |
| RK250All | 39.0 | 36.0 | 32.0 | 27.5 | 185 | 78 | DN80 | 3000*1900*1950 | 4400 |
| RK275All | 43.5 | 41.0 | 35.5 | 31.5 | 200 | 78 | DN100 | 3600*2200*2200 | 5000 |
| RK300All | 51.5 | 48.3 | 38.5 | 35.5 | 220 | 82 | DN100 | 3600*2200*2200 | 5500 |
| RK350All | 54.0 | 51.0 | 45.0 | 38.0 | 250 | 82 | DN100 | 3600*2200*2200 | 6000 |
| RK375All | 60.0 | 57.0 | 50.0 | 43.0 | 280 | 82 | DN125 | 3600*2200*2200 | 6800 |
| RK420All | 65.0 | 62.0 | 56.0 | 50.5 | 315 | 82 | DN125 | 4200*2300*2350 | 8000 |
| RK480All | 75.0 | 73.0 | 64.0 | 55.0 | 355 | 82 | DN150 | 4200*2200*2350 | 8500 |
| RK540AII | 84.0 | 82.0 | 72.0 | 61.0 | 400 | 82 | DN150 | 4200*2200*2350 | 9800 |
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)
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.
1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in Rocky air compressor factory or working site.
5.All kinds of technical documents in different languages.
FAQ
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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