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75kW 100HP Chemical Industry Variable Speed Driven Screw Air Compressor
Variable Speed screw air compressor Advantages
1. Significant energy-saving effect
Compared with traditional fixed-speed air compressors, variable frequency drive technology can automatically adjust the power output of the air compressor according to the actual gas consumption, avoiding energy waste during no-load operation, and achieving significant energy-saving effects. Generally, it can save 30% or even up to 42% of energy. Long-term use can save a lot of energy costs for chemical companies.
2. High reliability and stability
The screw compressor itself has a simple structure, few components, and reliable operation. Coupled with efficient motors, advanced control systems and perfect protection devices, such as soft start function, it reduces the impact on the power grid and the wear of mechanical parts, reduces the equipment failure rate, and extends the service life of the equipment, ensuring the long-term stable operation of the compressor under various complex working conditions such as the chemical industry, and reducing downtime and maintenance time. Maintenance costs.
3. Adapt to the needs of the chemical industry
With large flow and high-pressure compressed air output capacity, it can meet the needs of various equipment and processes for compressed air in the production process of the chemical industry, such as driving pneumatic valves, instruments, agitators and other equipment, as well as for material transportation, reactor stirring and other process links, providing a strong guarantee for the smooth progress of chemical production.
4. High performance and long life
The use of high-quality components and advanced manufacturing processes ensures the overall performance and quality of the air compressor. For example, the rotor of the German Rotorcomp screw main unit adopts an asymmetric profile, which is finely processed and dynamically balanced to ensure smooth operation, good sealing, and low wear, greatly extending the service life of the main unit; the magnetic steel of the permanent magnet motor has high magnetic energy product and low demagnetization characteristics, and can operate stably for a long time in harsh environments such as high temperature and high humidity, ensuring the long-term and efficient operation of the air compressor.
5. Intelligence and convenience
The intelligent control system can not only realize automatic control and remote monitoring, but also automatically adjust and optimize operating parameters according to user settings, which is simple and convenient to operate. At the same time, some air compressors are also equipped with fault diagnosis and alarm functions, which can detect and handle equipment failures in a timely manner, improving the operating efficiency and management efficiency of the equipment.
6. Good environmental performance
The efficient cooling system and sealing device reduce the risk of leakage of coolant and lubricating oil and reduce pollution to the environment. In addition, its low-noise operation characteristics also meet the environmental protection requirements of chemical companies, which helps companies create a green and environmentally friendly production environment.
| Model | Volume flow m3/min | Power (KW) |
Noise (DB) |
Outlet diameter |
Dimension (mm) | Weight (kg) | |||||||
| 0.7Mpa | 0.8Mpa | 1.0Mpa | 1.3Mpa | Length | Width | Height | |||||||
| RDF-30A | 3.7 | 3.6 | 3.2 | / | 22 | 68 | G1 | 1330 | 830 | 1265 | 400 | ||
| RDF-40A | 5.2 | 5 | / | 3.3 | 30 | 68 | G1 | 1330 | 830 | 1265 | 500 | ||
| RDF-50A | 6.5 | 6.2 | 5.6 | 4.9 | 37 | 69 | G1 1/2 | 1500 | 940 | 1415 | 655 | ||
| RDF-60A | 8.0 | 7.3 | 6.0 | 5.9 | 45 | 70 | G1 1/2 | 1500 | 940 | 1415 | 730 | ||
| RDF-75A | 10.1 | 9.5 | 8.7 | 7.3 | 55 | 70 | G2 | 1600 | 1060 | 1470 | 945 | ||
| RDF-100A | 13.6 | 12.8 | 11.3 | 9.2 | 75 | 72 | G2 | 2000 | 1120 | 1590 | 1291 | ||
| RDF-125A | 16.1 | 15.5 | 13.6 | 12.5 | 90 | 72 | G2 | 2000 | 1120 | 1590 | 1421 | ||
| RDF-150A | 21.2 | 19.6 | 17.8 | 15.5 | 110 | 72 | DN65 | 2400 | 1630 | 1980 | 2170 | ||
| RDF-175A | 24.1 | 23.2 | 19.5 | 17.8 | 132 | 72 | DN65 | 2400 | 1630 | 1980 | 2350 | ||
| RDF-220A | 28.8 | 27.8 | 23.0 | 20 | 160 | 72 | DN80 | 2800 | 1828 | 2150 | 3620 | ||
| RDF-250A | 32.5 | 31.2 | 27.5 | 25.8 | 185 | 72 | DN80 | 2800 | 1828 | 2150 | 3920 | ||
| RDF-275A | 34.5 | 34.0 | 30.5 | 28.0 | 200 | 76 | DN80 | 2800 | 1828 | 2150 | 4200 | ||
| RDF-300A | 36.8 | 34.7 | 31.5 | 29.5 | 220 | 76 | DN100 | 3000 | 1900 | 1930 | 4800 | ||
| RDF-350A | 43.0 | 41.5 | 38.0 | 34.9 | 250 | 76 | DN100 | 3000 | 1900 | 1930 | 5200 | ||
| RDF-375A | 51.3 | 50.6 | 46.0 | 41.5 | 280 | 82 | DN100 | 4360 | 2150 | 2258 | 7500 | ||
| RDF-420A | 56.8 | 55.9 | 50.1 | 42.0 | 315 | 82 | DN125 | 4360 | 2150 | 2258 | 7500 | ||
| RDF-475W | 66.1 | 65.4 | 55.1 | 46.0 | 355 | 82 | DN125 | 4360 | 2150 | 2258 | 8000 | ||
| RDF-525W | 75.1 | 74.3 | 64.5 | 54.0 | 400 | 82 | DN125 | 4360 | 2150 | 2258 | 8200 | ||
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.
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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