Axial piston swashplate design
Open circuit Series 1 and 3
Long bearing life
Further pumps of up to the same size can be
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)
Pressure controller DP (RE 92060)
Pressure controller for parallel operation FR (RE 92060)
Flow controller DFR (RE 92060)
Pressure and flow controller
LR2 (RE 92064)
Power controller LR3 (RE 92064)
Remote-controlled power controller M (RE 92072)
Manual control EM (RE 92072)
Electromotive control
HS/HS4 (RE 92076)
Hydraulic displacement control (servo-/proportional valve) EO1/EO2 (RE 92076)
Hydraulic displacement control (proportional valve) HD (RE 92080)
Hydraulic control, pilot pressure-related LR2N (RE 92064)
Power controllers, pilot pressure-related
DFE1 (RE 92088)
Electrohydraulic control system
V g = Displacement
P B = Operating pressure
P St = Control pressure
S = Actuator travel
U = Control voltage
Quick Details
Place of Origin: Zhejiang, China (Mainland)
Brand Name: Rexroth
Model Number: A4V(S)O series
Theory: Axial Flow Pump
Structure: Piston Pump
Usage: Oil
Power: Hydraulic
Standard or Nonstandard: Standard
Pressure: High Pressure
Color: yellow/orange/blue
Specifications
1). Reasonable price
2). Complete interchangeable
3). High performance.
4). Fast delivery time.
5). 1 year quality warranty.
Product Description:
Variable displacement pump, axial piston pump, bent axis design for hydrostatic transmission in open circuites.
The flow is proportional to the drive speed and the displacement and is steplessly variable at constant drive speed.
Comprehensive programme of control devices for every control and regulation function.
Operation of both mincral, and fire-resistant fluids.
Product Features:
-- High performance rotary group with well-proven spherical control area offering the following advantages, self-centering.
-- Low periph-eral speed
-- High efficient.
-- Long service life robust rolling bearing.
-- Drive shaft will support radial loads.
-- Low noise level.
-- High duty roller bearing for intermettent high pressure operation.
-- For continuous duty hydrostatic are availabe.
-- Excellent starting characteristics.
-- High power density
-- Optional mounting position
Technical Data:
Parameter (the following data not consider mechanical efficiency and volumetric efficiency)
Specification |
40 |
71 |
125 |
180 |
250 |
355 |
| Displacement (ml/r) |
40 |
71 |
125 |
180 |
250 |
355 |
| Max.Speed (rpm) |
2600 |
2200 |
1800 |
1800 |
1500 |
1500 |
| Max.Flow (L/min) |
104 |
156 |
225 |
324 |
375 |
532 |
| 60 |
107 |
186 |
270 |
375 |
532 |
| Max.Power (kW) |
61 |
91 |
131 |
189 |
219 |
310 |
| P=35MPa |
35 |
62 |
109 |
158 |
219 |
310 |
Max.Torque (N.m)
P=35 MPa |
223 |
395 |
696 |
1002 |
1391 |
1976 |
Touqur (N.m)
P=10 MPa |
64 |
113 |
199 |
286 |
398 |
564 |
Weight Appro. (Kg) |
40 |
54 |
87 |
103 |
186 |
206 |
The above data would be right when there is 0.1 MPa absolute pressure in the oil suction port S.
Pressure Range:
Port S(inlet) absolute pressure: Ps min=0.8bar Ps max=3MPa
Port B(outlet) pressure:rated pressure P=35 MPa Peak Press.=40MPa
Note:
a: the pump housing must be filled with fluid both when commissioning and in operation.
b: in order to achieve low noise levels, all connecting lines are to be isolated from the tank by flexiable members.
c: a non-return line in the drain lines should be avoided , drain oil pressure is 0.2 MPa(absolute pressure)
d: with vertical mounting , in order to ensure lubrication of front bearing and shaft seal, we recommand bearing flushing .
The bearing flushing port U is located in the mounting flange area of the pump.
The flushing oil flows through the pump's front bearing and leaves via the case drain.
There will be a pressure difference of 0.2 MPa between port U and the pump drain port T.
Specification |
40 |
71 |
125 |
180 |
250 |
355 |
| Flow L/min |
4 |
5 |
6 |
8 |
12 |
16 |
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