Ningbo Helm Tower Noda Hydraulic Co.,Ltd
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Easy To Install Piston Type Pump A4V , High Efficiency Radial Piston Hydraulic Pump
Features:
Technical information
Models: A4VSO40 A4VSO71 A4VSO125 A4VSO180 A4VSO250 A4VSO355 A4VSO500 A4VSO750
Rexroth Axial piston variable pump A4VSO Series
Nominal pressure 350 bar
Maximum pressure 400 bar
Open circuit
-Variable pump with axial tapered piston rotary group of bentaxis design, for hydrostatic drives in open circuit
-For use in mobile and stationary applications
-The flow is proportional to the drive speed and displacement.
-The flow can be infinitely varied by adjusting the bent axis.
-Wide selection of control devices
-Compact, robust pump with long service life
Specification:
| Size | 40 | 71 | 125 | 180 | 250 | |||
| Nominal pressure | p N | bar | 350 | 350 | 350 | 350 | 350 | |
| Peak pressure | p max | bar | 400 | 400 | 400 | 400 | 400 | |
| Displacement | V g max | cm³ | 40 | 71 | 125 | 180 | 250 | |
| Speed 1) | n max | rpm | 2600 | 2200 | 1800 | 1800 | 1500 | |
| Flow | at n max | q V max | l/min | 104 | 156 | 225 | 324 | 375 |
| Power | p = 350 bar | P max | kW | 61 | 91 | 131 | 189 | 219 |
| Torque | p = 350 bar | T max | Nm | 223 | 395 | 696 | 1002 | 1391 |
| Weight (approx.) | m | kg | 39 | 53 | 88 | 102 | 184 | |
| Size | 355 | 500 | 750 | 1000 | ||||
| Nominal pressure | p N | bar | 350 | 350 | 350 | 350 | ||
| Peak pressure | p max | bar | 400 | 400 | 400 | 400 | ||
| Displacement | V g max | cm³ | 355 | 500 | 750 | 1000 | ||
| Speed 1) | n max | rpm | 1500 | 1320 | 1200 | 1000 | ||
| Flow | at n max | q V max | l/min | 533 | 660 | 900 | 1000 | |
| Power | p = 350 bar | P max | kW | 311 | 385 | 525 | 583 | |
| Torque | p = 350 bar | T max | Nm | 1976 | 2783 | 4174 | 5565 | |
| Weight (approx.) | m | kg | 207 | 320 | 460 | 605 | ||
1) The values are valid at an absolute pressure of 1 bar in suction port S.
| DR (RE 92060) | DP (RE 92060) | FR (RE 92060) | DFR (RE 92060) |
| Pressure controller | Pressure controller for parallel operation | Flow controller | Pressure and flow controller |
| LR2 (RE 92064) | LR3 (RE 92064) | M (RE 92072) | EM (RE 92072) |
| Power controller | Remote-controlled power controller | Manual control | Electromotive control |
| HS/HS4 (RE 92076) | EO1/EO2 (RE 92076) | HD (RE 92080) | LR2N (RE 92064) | DFE1 (RE 92088) |
| Hydraulic displacement control (servo-/proportional valve) | Hydraulic displacement control (proportional valve) | Hydraulic control, pilot pressure-related | Power controllers, pilot pressure-related | Electrohydraulic control system |
| V g = Displacement |
| p B = Operating pressure |
| p St = Control pressure |
| s = Actuator travel |
| U = Control voltage |
Our pumps are mainly used for construction machinery, geological drilling equipment, special vehicles,mining machinery, lifting and transporting equipment, cranes, ship machinery, agricultural and forestry machinery, and so on.