Jinan Focor Machinery Co., Ltd.
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A4VSO71, A4VSO125, A4VSO180 Hydraulic Axial Piston Pump
Size: A4VSO71
Displacement : 71
Speed: 2200
Flow: 156
Power : 91kw
- Parameters
Size: A4VSO71
Displacement : 71
Speed: 2200
Flow: 156
Power : 91kw
Product Description
The A4VSO or AAVSO Axial piston pump in swash plate design for hydrostatic drives in open circuit operation
– The flow is proportional to the input drive speed and displacement. By adjusting the swash plate angle it is possible to infinitely vary the output flow.
– Excellent suction characteristics
– Low noise level
– Long service life
– Modular design
– Short response times
– Wide range of through drive options
– Visual swivel angle indicator
– Optional mounting position
Technical Parameter
Nominal size | A4VSO71 | A4VSO125 | A4VSO180 | A4VSO250 | |||
Nominal pressure | p N | bar | 350 | 350 | 350 | 350 | |
Maximum pressure | pmax | bar | 450 | 450 | 450 | 450 | |
Displacement | Vg max | cm³ | 71 | 125 | 180 | 250 | |
Speed | Max. speed | n max | rpm | 2200 | 1800 | 1800 | 1500 |
Flow | at n max | q V max | l/min | 156 | 225 | 324 | 375 |
Power | Δ p = 350 bar | P max | kW | 91 | 131 | 189 | 219 |
Torque | Δ p = 350 bar | Tmax | Nm | 395 | 696 | 1002 | 1391 |
Weight (approx.) | m | kg | 53 | 88 | 102 | 184 | |
Nominal size | A4VSO355 | A4VSO500 | A4VSO750 | A4VSO1000 | |||
Nominal pressure | p N | bar | 350 | 350 | 350 | 350 | |
Maximum pressure | pmax | bar | 450 | 450 | 450 | 450 | |
Displacement | Vg max | cm³ | 355 | 500 | 750 | 1000 | |
Speed | Max. speed | n max | rpm | 1500 | 1320 | 1000 | |
Flow | at n max | q V max | l/min | 533 | 660 | 1000 | |
Power | Δ p = 350 bar | P max | kW | 311 | 385 | 525 | 583 |
Torque | Δ p = 350 bar | Tmax | Nm | 1976 | 2783 | 4174 | 5565 |
Weight (approx.) | m | kg | 207 | 320 | 460 | 605 | |
A4VSO Hydraulic Pump Feature
Control devices
DR Pressure control: The DR pressure control serves to maintain a constant pressure in a hydraulic system within the control range of the pump. The pressure can be steplessly set on the control valve (setting range 20 to 350 bar).
Optional: with remote-controllable pressure control (DRG)
DP Pressure control for parallel operation
Suitable for pressure control of multiple A4VSO axial piston units in parallel operation.
Optional: Flow control (DPF)
FR Flow control
Maintaining a constant flow in a hydraulic system.
Optional: With remote-controllable pressure control (FRG), no connection from XF to the tank (FR1, FRG1)
DFR Pressure and flow control
This controller keeps the flow of the pump constant even under changing operating conditions. A mechanically adjustable pressure controller overrides the flow control.
Optional: No connection from XF to the tank (DFR1)
LR2 Power control with hyperbolic characteristic
The hyperbolic power control keeps the specified drive power constant at the same drive speed.
Optional: with pressure control (LR2D), remote-controllable pressure control (LR2G); with flow control (LR2F, LR2S); with hydraulic stroke limiter (LR2H); with mechanical stroke limiter (LR2M); with hydraulic two-point control (LR2Z); with electric relief valve as start assistance (LR2Y).
LR3 Power control with remote-controllable power characteristic
This hyperbolic power control keeps the specified drive power constant, whereby the power characteristic can be controlled remotely.
Optional: with pressure control (LR3D), remote-controllable pressure control (LR3G); with flow control (LR23, LR3S); with hydraulic stroke limiter (LR3H); with mechanical stroke limiter (LR3M); with hydraulic two-point control (LR3Z); with electric relief valve as start assistance (LR3Y).
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Mining Machinery
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Contact: Jack Zhang
Mobile: +86-18663742355
E-mail: sales@focormach.com
Web: www.focormach.com
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