PVH-series variable displacement axial-piston pumps
Variable displacement axial piston pumps for closed circuit hydraulic systems. Rated pressure up to 420 bar. Displacement 33…112 ccm. PVH series pumps is a cost competitive solution for a variety of operating conditions. These pumps meets the requirements of heavy-duty applications in construction, road and agricultural machines.
- High pressure pump for hydraulic systems with closed circuit
- Displacement 33…112 cm
- Rated pressure 420 bar
- Maximum pressure 450 bar
- High efficiency
- Hydromechanical/hydraulic proportional/electrical 3-positioned/electrical proportional control system
- Drive through according to SAE
PVH series pumps are a cost competitive solution for a variety of applications. The design is based on the Sauer 20 series. The large-scale modernization, carried out on the basis of long-term experience of the company, allowed to increase technical and operational characteristics of units and kept the famous reliability and durability. These pumps meet the requirements of heavy-duty applications in construction, road and agricultural machinery.
Features:
- Swashplate design.
- High volumetric efficiency.
- Build-in charge pump.
- Smooth flow direction change.
- High pressure relief valve.
- Bimetal bearing plate has a high wear-resistance.
- Lightweight piston provides reliability in operation at high speeds.
- Tapered roller bearings allow the pump shaft to withstand high radial and axial loads.
- Shaft seals (face seal or lip seal) provide reliable external tightness.
- Mounting flanges according to SAE.
- Drive through according to SAE.
| Size | 33 | 52 | 71 | 90 | 112 | |
|---|---|---|---|---|---|---|
| Displacement max | ccm | 33,3 | 51,6 | 69,8 | 89,8 | 110,8 |
| Maximum flow | l/min | 113,5 | 204 | 275,8 | 314,5 | 391,6 |
| Maximum pressure in high pressure line | bar | 450 | ||||
| Rated pressure in high pressure line | bar | 420 | ||||
| Maximum case pressure | bar | 2,5 | ||||
| Maximum speed | min-1 | 3590 | 4160 | 3720 | ||
| Minimum speed | min-1 | 500 | ||||
| Rated speed | min-1 | 2500 | ||||
| Maximum swashplate angle | Degr | ± 18 | ||||
| Rated power | kW | 60 | 93 | 125,9 | 160,5 | 199,8 |
| Weight (without fluid) | kg | 51 | 61 | 69 | 85 | |
