BOSCH REXROTH
R902557653
- BOSCH REXROTH
- Material:R902557653
- Model:PA4CSG500EPG/33R-VZH85F994N
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth P A4CSG 500 EPG /33R-VZH85F994N-S2703 (R902557653) is a high-efficiency, robust high-pressure axial piston pump designed for use in closed circuit applications. This particular model is characterized by its integrated boost pump which ensures the supply of boost and pilot oil, enhancing the overall reliability and performance of the system. It comes equipped with integrated pressure relief valves that provide protection for boost, control, and high-pressure circuits, thus ensuring safe operation under various conditions. The pump is built to endure with a very long service life and features an integrated flushing valve that contributes to its maintenance efficiency. Its through-drive capability allows for the mounting of additional pumps up to the same nominal size, which can be beneficial in complex hydraulic systems requiring multiple pump configurations. One of the key attributes of this Bosch Rexroth pump is its smooth flow direction changeover as the swashplate moves through the neutral position. The drive shaft can handle both axial and radial loads effectively, which makes it suitable for heavy-duty operations. The P A4CSG 500 EPG /33R-VZH85F994N-S2703 operates with low noise levels contributing to a more pleasant working environment. Additionally, this model includes a visual swivel angle indicator that provides immediate feedback on the swashplate position, allowing for precise control over the output flow and pressure. The short control response times enable quick adjustments to system demands, further enhancing operational efficiency. With a nominal pressure rating of bar and a maximum pressure capacity of bar in its metric version, this pump is designed to meet demanding performance requirements while maintaining high total efficiency thanks to its swashplate design.
Table of values
|
Size |
250 | 355 | 500 | 750 | |||
|
Displacement |
Vg max |
cm³ |
250 | 355 | 500 | 750 | |
|
Nominal pressure |
pnom |
bar |
350 | 350 | 350 | 350 | |
|
Maximum pressure |
pmax |
bar |
400 | 400 | 400 | 400 | |
|
Maximum speed |
at Vg max |
nnom |
rpm |
2200 | 2000 | 1800 | 1600 |
|
Flow |
at Vg max and nnom |
qV nom |
l/min |
550 | 710 | 900 | 1200 |
|
Power |
at qV nom and Δpnom 1) |
P |
kW |
321 | 414 | 525 | 700 |
|
Torque |
at Vg max and Δpnom |
M |
Nm |
1391 | 1976 | 2783 | 4174 |
|
Weight (approx.) |
m |
kg |
214 | 237 | 350 | 500 | |
| 1) | Δpnom = 350 bar |
Pilot-pressure related proportional control
HD
Pilot-pressure related proportional control
HD
Available for A4VSO, A4VSG and A4CSG Control is pilot-pressure related Different pilot-pressure ranges available Power control, pressure control and electrical pilot pressure supply optional Standard spring-centering of the stroking cylinderData sheet
Spare parts & repair
Electrohydraulic control with proportional solenoid
EP
Electrohydraulic control with proportional solenoid
EP
Available for A4VSG and A4CSG Electro-proportional control by a current signal High control accuracy Resets to neutral position in the event of a signal failure With manual overrideData sheet
Spare parts & repair
Electrohydraulic control systems
HSx, HMx, EOx
Electrohydraulic control systems
HSx, HMx, EOx
Available for A4VSO, A4VBO, A4VSG and A4CSG Electrohydraulic control with servo, proportional and control valve Digital electrohydraulic control systems with amplifier Control of swivel angle, pressure and power (HS5P) Usable as a special version in mooring operation (overcenter)Data sheet
Spare parts & repair