ZF Hydraulic & Pneumatic parts Co., Ltd

ZF Hydraulic & Pneumatic parts Co., Ltd

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Products > Piston pump > > Rexroth Type A4VSO125 Variable Axial Piston Hydraulic Pump
Product name : Rexroth Type A4VSO125 Variable Axial Piston Hydraulic Pump
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Details:
 Rexroth Type A4VSO125 Variable Axial Piston Hydraulic Pump
Control Devices: DR, DRG, FR, HD, LR, MA, EO, etc
Size: A4VSO40, A4VSO71, A4VSO125, A4VSO180, A4VSO250, 
        A4VSO355, A4VSO500
Norminal Pressure: 350 bar.   Peak pressure: 400 bar. 
Sample: A4VSO125E02/30R-PPB13N00

Series: 10, 22, 30. with open circuit
Nominal pressure 5100 psi (350 bar).
Peak pressure 5800 psi (400 bar)

Figure :
– Swashplate design
– Infinitely variable displacement
– Good self priming suction characteristics
– Continuous operating pressure of 5100 psi (350 bar)
– Low noise level
– Low power to weight ratio

– Drive shaft able to accept axial and radial loading
– Excellent service life
– Compact modular design
– Short control times
– Over-center design (swallow circuits)
– Through drive and pump combinations possible
– Swivel angle indicator standard
– Installation positional optional
– Interchangeable with original Rexroth pump of same model

Ordering code:

 
(A)A4VS
 
O
 
 
/
 
--
 
 
 
 
 
 
1
2
3
4
5
6
 
7
 
8
9
10
11
12
13

More explanation:

1- Fluid : Blank= Mineral oil
                 E= HF-Fluids (except Skydrol)
2- Version: AA4VS = SAE version, Swash plate design, variable
                     A4VS= Metric version, Swash plate design, variable
3- Axial piston unit: Blank= Without charging pump
                                   L= With impeller, only for port option 25
4- Operation model: Pump, closed circuit
5- Size: A4VSO40, A4VSO71, A4VSO125, A4VSO180, A4VSO250, 
            A4VSO355, A4VSO500 (cm3/rev.)
6- Control device: DR=Constant pressure control
                                 DRG=Remote control
                                 LR=Const. Power control with hyperbolic curve
                                 MA=Manual control
                                 EO=Hydraulic control, with proportional valve
                                 HD=Hydraulic control, pilot pressure dependent
7- Series: 10, 22, 30
8- Direction of rotation: R= right. L= left (Viewed on shaft end)
9- Seals: P= NBR (Nitrile rubber to DIN ISO 1629) with shaft seal FPM
                 V= FPM (Fluoride rubber to DIN ISO 1629)
10 Shaft end: P= Metric Parallel with key to DIN 6885
                        Z= Metric splined shaft per DIN 5480
                        S= SAE splined shaft
                        K= SAE parallel keyed shaft
11- Mounting flange : B= ISO 4-bolt. D= SAE 4-bolt. H= ISO 8-bolt
12- Port connections : 13= Connections B and S: SAE on side 90 degree offset, metric mounting bolts, screw
                                         25= Connections B and S: SAE on side 90 degree offset, metric mounting bolts, flange
                                         63= Connections B and S: SAE on side 90o offset, UNC mounting bolts
13- Through drive: N00= Without thru drive, without auxilliary pump
                                  K31= ISO 125, 4-hole, Splined shaft 32x2x30x14x9g, to accept: A4VSO/H/G 40
                                  K33= ISO 140, 4-hole, Splined shaft 40x2x30x18x9g, to accept: A4VSO/H/G 71
                                  K34= ISO 160, 4-hole, Splined shaft 50x2x30x24x9g, to accept: A4VSO/H/G 125
                                  K34= ISO 160, 4-hole, Splined shaft 50x2x30x24x9g, to accept: A4VSO/G 180
                                  K35= ISO 224, 4-hole Splined shaft 60x2x30x28x9g, to accept: A4VSO/H/G 250
                                  K99= With through drive shaft, without hub, without adapter flange, with cover plate


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