Variable displacement axial-piston pumps "PVH" series
Variable displacement axial-piston pumps for hydraulic systems with closed circuit and rated pressure up to 420 bar. Displacement 33…112 ccm.
The pumps PVH series is a cost competitive solution for a variety of operating conditions. Modernized design of PVS series, based on company's many years of experience and modern technologies. Now these pumps meet 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
- Low noise level
- High efficiency
- Hydromechanical/hydraulic proportional/electrical 3-positioned/electrical proportional control system
- Possibility of tandem according to SAE
Variable displacement axial-piston pump for hydraulic systems with closed circuit. They are used in hydrostatic transmission of stroke drive or operating equipment of combines, road and construction mobile machines.
The pumps PVH series 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 considerably 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.
Charcteristics:
- 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.
- Possibility of tandem according to SAE.
| Код рабочего объема Displacement code |
33 | 52 | 71 | 90 | 112 | |
|---|---|---|---|---|---|---|
| Максимальный рабочий объем Displacement max |
cm3 ccm |
33,3 | 51,6 | 69,8 | 89,8 | 110,8 |
| Максимальная подача Maximum flow |
л/мин l/min |
113,5 | 204 | 275,8 | 314,5 | 391,6 |
| Максимальное давление в гидролинии высокого давления Maximum pressure in high pressure line |
bar | 450 | ||||
| Номинальное давление в гидролинии высокого давления Rated pressure in high pressure line |
bar | 420 | ||||
| Максимальное давление дренажа Maximum case pressure |
bar | 2,5 | ||||
| Максимальная частота вращения Maximum speed |
мин-1 min-1 |
3590 | 4160 | 3720 | ||
| Минимальная частота вращения Minimum speed |
мин-1 min-1 |
500 | ||||
| Номинальная частота вращения Rated speed |
мин-1 min-1 |
2500 | ||||
| Максимальный угол наклона наклонной шайбы Maximum swashplate angle |
град Degr |
± 18 | ||||
| Номинальная мощность Rated power |
кВт kW |
60 | 93 | 125,9 | 160,5 | 199,8 |
| Масса (без рабочей жидкости) Weight (without fluid) |
кг kg |
51 | 61 | 69 | 85 | |
