| Customization: | Available |
|---|---|
| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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Hydraulic Variable piston pump model Uchida Hydromatik Brueninghaus Hydraulik Mannesmann A2V225 A2V250 A2V355 A2V500 A2V1000 A2p225 A2p250 A2p355 A2p500 A2p1000 Pump Hydraulic Bent Axial Uchida Rexroth A2V Pump.
Axial piston unit of bent axis design with variable displacement, for hydrostatic drives in closed and semi closed, and open circuits.
Maximum flow is proportional to the drive speed a displacement, and is infinitely variable at constant drive speed.
Comprehensive control programmer for every control and regulating function.
Special Features of Series 5:
New, simplified high performance rotary group with enhanced technical data and well-proven spherical control area.
Special Features of Series 5:
New, simplified high performance rotary group with enhanced technical data and well-proven spherical control area.
Housed pump for closed circuit.
Heavy duty rolling bearings for intermittent high pressure operation.
For continuous duty at high pressures, hydrostatic bearings are available.
Operation on fire-resistant fluids is possible, improved port plate design and compact design reduces noise level by 5 dBA.
Complete primary units with all auxiliary devices for closed circuits.
Details regarding the choice of hydraulic fluid
The correct choice of hydraulic fluid requires knowledge of the operating temperature in relation to the ambient temperature: in
a closed circuit the circuit temperature. The hydraulic fluid should be chosen so that the operating viscosity in the operating temperature range is within the optimum range - the shaded area of the selection diagram. We recommended that the higher viscosity class be selected in each case. Example: At an ambient temperature of X °C an operating temperature of 60 °C is set. In the optimum operating viscosity range (shaded area) this corresponds to the viscosity classes VG 46 or VG 68; to be selected: VG 68. Please note: The case drain temperature, which is affected by pressure and speed, is always higher than the circuit temperature. At no point in the system may the temperature be higher than 115 °C. If the above conditions cannot be maintained due to extreme operating parameters, please consult us.
Hydraulic fluid
Before starting project planning, please refer to our data sheets RE 90220 (mineral oil), RE 90221 (environmentally acceptable hydraulic fluids) and RE 90223 (HF hydraulic fluids) for detailed information regarding the choice of hydraulic fluid and application conditions. The variable pump A4VG is unsuitable for operation with HFA, HFB and HFC. If HFD or environmentally acceptable hydraulic fluids are being used, the limitations regarding technical data and seals mentioned in RE 90221 and RE 90223 must be observed. When ordering, please indicate the used hydraulic fluid
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