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This high-efficiency air compressor is specially developed for low-pressure conditions of 3~5 bar. It integrates two-stage compression and permanent magnet frequency conversion technology to precisely produce low-pressure air from the source, eliminating the energy waste of traditional high-pressure pressure increase and decrease.
Product Parameters
| Low-pressure PM VSD Screw air compressor | |||||||
| Model | Air Delivery (m3/min) | Working pressure (bar) | Power (kW/hp) | Noise dB(A) | Outlet diameter | Dimensions (mm) | Weight (kg) |
| L * W * H | |||||||
| RL125APM | 34.0 | 2 | 90/125 | 76 | DN125 | 3000*1900*1950 | 3500 |
| 28.0 | 3 | 90/125 | 76 | DN100 | 2500*1650*1900 | 3100 | |
| 24.0 | 4 | 90/125 | 76 | DN100 | 2500*1650*1900 | 3000 | |
| 20.0 | 5 | 90/125 | 76 | DN80 | 2500*1650*1900 | 2950 | |
| RL150APM | 43.0 | 2 | 110/150 | 76 | DN200 | 3600*2200*2200 | 5300 |
| 34.0 | 3 | 110/150 | 76 | DN125 | 3000*1900*1950 | 4000 | |
| 29.6 | 4 | 110/150 | 76 | DN100 | 3000*1900*1950 | 3500 | |
| 24.0 | 5 | 110/150 | 76 | DN80 | 3000*1900*1950 | 3200 | |
| RL175APM | 52.0 | 2 | 132/175 | 76 | DN200 | 3600*2200*2200 | 5800 |
| 42.0 | 3 | 132/175 | 76 | DN125 | 3000*1900*1950 | 4300 | |
| 36.5 | 4 | 132/175 | 76 | DN100 | 3000*1900*1950 | 4100 | |
| 30.5 | 5 | 132/175 | 76 | DN80 | 3000*1900*1950 | 3700 | |
Low pressure PM VSD air compressor core advantages
Superior Energy Saving: Dual-stage compression combined with permanent magnet variable frequency drive saves 30%~50% more energy than ordinary industrial frequency machines.
Stable Pressure: Variable frequency control ensures precise and stable air pressure, guaranteeing production processes.
Economical and Practical: 55~75kW power output covers the needs of medium-sized production capacity, offering a high return on investment.
Main Applications
Suitable for medium-scale applications requiring stable low-pressure air: Textiles: Air-jet looms
Lithium-ion batteries: Electrode coating and drying
Food: Filling and packaging
Chemicals: Material conveying and mixing
FAQS
Q: Why is it more energy-efficient than a regular air compressor?
A: It specifically produces low-pressure air at 3-5 bar, while regular compressors produce high-pressure air at 8 bar and then depressurize it, resulting in significant waste.
Q: Is the initial investment higher, worthwhile?
A: Yes. The electricity savings can usually recoup the investment difference within 1-2 years, demonstrating significant long-term benefits.
Q: How to select a model?
A: Confirm two points: ① Actual operating pressure (bar); ② Maximum air consumption (m³/min).
