PVS-series variable displacement axial piston pumps
Variable displacement axial piston pumps for closed circuit hydraulic systems. Rated pressure up to 350 bar. Displacement 33...90 ccm. PVS series pumps is a cost competitive solution for a variety of applications, from agricultural to construction and road machinery. Time-proven design is reliable and durable in the field.
- High pressure pump for hydraulic systems with closed circuit
- Displacement 33...90 cm
- Rated pressure 357 bar
- Maximum pressure 420 bar
- High efficiency
- Hydromechanical and electrical 3-positioned control
The pumps PVS series are a cost competitive solution for a variety of applications. Time-proven design, based on the Sauer 20 series, is reliable and durable in the field. They are used in hydrostatic transmission of harvesters, road and construction mobile machines.
Features:
- Swashplate design.
- High volumetric efficiency.
- Build-in charge pump.
- Smooth flow direction change.
- Bimetal bearing plate has a high wear-resistance.
- Lightweight piston provides reliability in operation at high speeds.
- Mounting flanges according to SAE.
- Tapered roller bearings enable the pump shaft to withstand high radial and axial loads.
- Shaft seals (face seal or lip seal) provide reliable external tightness.
| Size | 33 | 52 | 71 | 90 | |
|---|---|---|---|---|---|
| Displacement max | ccm | 33,3 | 51,6 | 69,8 | 89 |
| Maximum flow | l/min | 113,5 | 151,8 | 186,3 | 218,9 |
| Maximum pressure in high pressure line | bar | 420 | |||
| Rated pressure in high pressure line | bar | 357 | |||
| Maximum drain pressure | bar | 2,5 | |||
| Maximum speed | min-1 | 3590 | 3100 | 2800 | 2600 |
| Minimum speed | min-1 | 500 | |||
| Rated speed | min-1 | 1500 | |||
| Maximum swashplate angle | Degr | ± 18 | |||
| Rated power | kW | 18,7 | 29 | 39,3 | 63,3 |
| Weight (without fluid) | kg | 45 | 55 | 63 | 78 |
