RPO – compressed air for bus and rail
Rotary vane compressors and complete compressed air systems
RPO compressors supply compressed air for brakes, suspension, doors and other on-board functions of buses and rail vehicles. They are oil-lubricated, quiet and extremely low in height.
As a complete RPO compressed air system, they come with motor, air treatment, controls, frame and cover, ready for installation under, in or on the vehicle.
Flow rate
180 to 770 l/min
Pressure
up to 10 bar, system up to 12 bar
Motor
2.2 to 7.5 kW
Vehicles
Bus, tram, rail
Why RPO?
Maintenance from one side, long intervals and a steady, pulsation-free air flow keep life-cycle costs low. RPO compressors operate across a wide temperature range.
- Oil-lubricated (multi-cell) rotary vane compressors for electric, hybrid and diesel buses and rail vehicles
- Compressed air for brakes, air suspension, door systems, wheel flange lubrication, sanding system, horn and whistle
- Steady, pulsation-free air flow; efficient at 1.5 – 10 bar
- Very low height, light, compact
- Maintenance from one side, long maintenance intervals, low life-cycle costs
- Low noise and vibration, wide operating temperature range
- Complete system: compressor, drive motor, frame, air treatment, optional compressor management and cover
- Systems with 200 – 800 l/min and working pressures up to 12 bar
Application
Electric and hybrid buses
Compressed air independent of the combustion engine.
Tram, urban and regional rail
Compact systems for limited installation space.
Retrofit
Replacement of compressors from other brands.
Product images
Technical data
| Model | L total | L compressor | L motor | B | H | Intake flow rate ¹⁾ | Shaft power requirement ¹⁾ | Rated motor power ¹⁾ | Max. operating pressure ²⁾ | Speed ¹⁾ | Speed range | Sound pressure level ³⁾ | Oil capacity | Weight without motor and oil |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | [mm] | [mm] | [l/min] | [kW] | [kW] | [bar] | [rpm] | [rpm] | [dB(A)] | [l] | [kg] | |
| RPO 200 | 803,5 | 468 | 335,5 | 391 | 310 | 180 | 2,1 (2,4) | 2,2 (3) | 10 (12) | 1420 | 900 – 1900 | 60 | 2,4 | 58 |
| RPO 300 | 803,5 | 468 | 335,5 | 391 | 310 | 260 | 2,8 (3,2) | 3 (4) | 10 (12) | 1420 | 900 – 1900 | 61 | 2,4 | 58 |
| RPO 400 | 797 | 468 | 329 | 391 | 310 | 380 | 3,8 (4,2) | 4 (5,5) | 10 (12) | 1440 | 900 – 1900 | 63 | 2,4 | 57 |
| RPO 600 | 842 | 457 | 385 | 391 | 310 | 550 | 5,2 (5,7) | 5,5 (7,5) | 10 (12) | 1455 | 900 – 1900 | 63 | 2,6 | 55 |
| RPO 800 | 949 | 564 | 385 | 391 | 310 | 770 | 7,2 (8,0) | 7,5 (11) | 10 (12) | 1455 | 900 – 1900 | 64 | 3 | 67 |
¹⁾ At a final pressure of 10 bar g.
²⁾ At a final pressure > 10 bar only in combination with load/no-load control.
³⁾ Sound pressure level to DIN 45635, n = 1,500 rpm, three-phase motor drive, at 7 m distance.
Subject to technical changes. (website)
Frequently asked questions
Compressor or complete system?
For new vehicles and retrofits, the complete system is usually simpler. Where the motor and air treatment are already in place, the compressor alone is enough.
Who supplies, installs and maintains it?
We do. As CVS representative, we supply compressors and vacuum pumps, advise on installation in the vehicle and take care of maintenance and repairs.
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Which unit suits your vehicle?
The vehicle, the goods transported, the drive and the required unloading time determine the choice. We size the unit with you and your body builder and take care of the service.