Panrui PRSF permanent-magnet variable-speed two-stage (vertical, upper-lower) rotary screw air compressor. Two-stage compression with permanent-magnet motor beats GB19153 Grade-1 limits and saves 11–16% energy versus single-stage units.
Two-Stage Advantages
- Stable non-stop operation with high-precision rotor meshing and self-developed VSD control.
- Energy saving: two-stage compression host + high-efficiency PM motor, 20–50% energy-saving potential.
- Leak-free air and oil circuits with thick seamless pipes and dual pressure leak tests.
- Low noise and vibration with precision rotor balancing, damping base and multi-layer sound insulation.
- Clean air: three-stage oil separation keeps residual oil extremely low.
- Air end and VSD drive each carry a 2-year warranty.
PRSF Series 20–150 kW Specifications
| Model | Power (kW) | FAD @ 0.7 MPa | FAD @ 0.8 MPa | FAD @ 1.0 MPa | FAD @ 1.3 MPa | Weight (kg) |
|---|---|---|---|---|---|---|
| PRSF20-II | 15 | 3.0 | 2.9 | 2.4 | 2.2 | 550 |
| PRSF30-II | 22 | 4.2 | 4.1 | 3.5 | 3.2 | 620 |
| PRSF50-II | 37 | 7.2 | 7.1 | 6.3 | 5.4 | 860 |
| PRSF60-II | 45 | 9.8 | 9.7 | 7.8 | 6.5 | 1150 |
| PRSF75-II | 55 | 12.8 | 12.5 | 9.6 | 8.6 | 1560 |
| PRSF100-II | 75 | 17.5 | 16.5 | 12.5 | 11.2 | 1610 |
| PRSF125-II | 90 | 20.8 | 19.8 | 16.9 | 14.3 | 1710 |
| PRSF150-II | 110 | 24.5 | 23.5 | 19.7 | 17.6 | 2600 |
Compression stage: two stage. Drive: direct link. Power supply: 380V/50Hz. Start: VSD. Noise: 68–75±2 dB(A). Lubricating oil: 20–70 L. Outlet: R1-1/4 to DN80.
PRSF Series 175–480 kW Specifications
| Model | Power (kW) | FAD @ 0.7 MPa | FAD @ 0.8 MPa | FAD @ 1.0 MPa | FAD @ 1.2/1.3 MPa | Weight (kg) |
|---|---|---|---|---|---|---|
| PRSF175-II | 132 | 30.0 | 28.0 | 23.5 | 19.8 | 2980 |
| PRSF200-II | 160 | 34.5 | 33.6 | 30.0 | 23.8 | 3480 |
| PRSF250-II | 185 | 41.0 | 38.4 | 32.5 | 28.6 | 3980 |
| PRSF270-II | 200 | 44.6 | 43.0 | 38.5 | 32.8 | 4280 |
| PRSF300-II | 220 | 48.6 | 47.0 | 41.0 | 38.0 | 5200 |
| PRSF350-II | 250 | 51.0 | 50.2 | 44.5 | 39.5 | 5500 |
| PRSF430-II | 315 | 55.0 | 54.0 | 46.0 | 40.0 | 6200 |
| PRSF480-II | 355 | 64.0 | 61.0 | 56.5 | 49.0 | 6500 |
Compression stage: two stage. Drive: direct link. Power supply: 380V/50Hz. Start: VSD. Noise: 75–84±2 dB(A). Lubricating oil: 70–160 L. Outlet: DN80 to DN150.