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)
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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
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– 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
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Ordering code:
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（A）A4VS
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O
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/
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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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
This series variable piston pump models have:A4VSO40DR30R-PPB25U34, A4VSO71DR30R-PPB25U34, piston pump A4VSO125DR30R-PPB25U34, A4VSO180DR30R-PPB25U34
A4VSO250DR30R-PPB25U34, piston pump A4VSO355DR30R-PPB25U34; Variable piston pump A4VSO40FR30R-PPB25U34, A4VSO71FR30R-PPB25U34, A4VSO125FR30R-PPB25U34, A4VSO180FR30R-PPB25U34, A4VSO250FR30R-PPB25U34, A4VSO355FR30R-PPB25U34; A4VSO40DR30R-PZB25U34, A4VSO71DR30R-PZB25U34, piston pump A4VSO125DR30R-PZB25U34, A4VSO180DR30R-PZB25U34, A4VSO250DR30R-PZB25U34, A4VSO355DR30R-PZB25U34; A4VSO40DR30R-PPB25N34, A4VSO71DR30R-PPB25N34, A4VSO125DR30R-PPB25N34, A4VSO180DR30R-PPB25N34, A4VSO250DR30R-PPB25N34, A4VSO355DR30R-PPB25N34; A4VSO40DFR30R-PPB25U34, A4VSO71DFR30R-PPB25U34, piston pump A4VSO125DFR30R-PPB25U34, A4VSO180DFR30R-PPB25U34, A4VSO250DFR30R-PPB25U34, A4VSO355DFR30R-PPB25U34; A4VSO40LR230R-PPB25U34, A4VSO71LR230R-PPB25U34, A4VSO125LR230R-PPB25U34, A4VSO180LR230R-PPB25U34, A4VSO250LR230R-PPB25U34, A4VSO355LR230R-PPB25U34; piston pump A4VSO40LR330R-PPB25U34, A4VSO71LR330R-PPB25U34, A4VSO125LR330R-PPB25U34, A4VSO180LR330R-PPB25U34, A4VSO250LR330R-PPB25U34, A4VSO355LR330R-PPB25U34; A4VSO40MA30R-PPB25U34, A4VSO71MA30R-PPB25U34, A4VSO125MA30R-PPB25U34, A4VSO180MA30R-PPB25U34, piston pump A4VSO250MA30R-PPB25U34, A4VSO355MA30R-PPB25U34; A4VSO40EO230R-PPB25U34, A4VSO71EO230R-PPB25U34, A4VSO125EO230R-PPB25U34, piston pump A4VSO180EO230R-PPB25U34, A4VSO250EO230R-PPB25U34, A4VSO355EO230R-PPB25U34;
EA4VSO40DR30R-PPB25U34, piston pump EA4VSO71DR30R-PPB25U34, EA4VSO125DR30R-PPB25U34, EA4VSO180DR30R-PPB25U34
EA4VSO250DR30R-PPB25U34, EA4VSO355DR30R-PPB25U34; piston pump EA4VSO40FR30R-PPB25U34, EA4VSO71FR30R-PPB25U34, EA4VSO125FR30R-PPB25U34, EA4VSO180FR30R-PPB25U34, Piston pump EA4VSO250FR30R-PPB25U34, EA4VSO355FR30R-PPB25U34; EA4VSO40DR30R-PZB25U34, EA4VSO71DR30R-PZB25U34, EA4VSO125DR30R-PZB25U34, EA4VSO180DR30R-PZB25U34, EA4VSO250DR30R-PZB25U34, EA4VSO355DR30R-PZB25U34; EA4VSO40DR30R-PPB25N34, EA4VSO71DR30R-PPB25N34, EA4VSO125DR30R-PPB25N34, variable piston pump EA4VSO180DR30R-PPB25N34, EA4VSO250DR30R-PPB25N34, EA4VSO355DR30R-PPB25N34; EA4VSO40DFR30R-PPB25U34, EA4VSO71DFR30R-PPB25U34, piston pump EA4VSO125DFR30R-PPB25U34, EA4VSO180DFR30R-PPB25U34, EA4VSO250DFR30R-PPB25U34, EA4VSO355DFR30R-PPB25U34; EA4VSO40LR230R-PPB25U34, EA4VSO71LR230R-PPB25U34, EA4VSO125LR230R-PPB25U34, EA4VSO180LR230R-PPB25U34, EA4VSO250LR230R-PPB25U34, EA4VSO355LR230R-PPB25U34; EA4VSO40LR330R-PPB25U34, EA4VSO71LR330R-PPB25U34, EA4VSO125LR330R-PPB25U34, EA4VSO180LR330R-PPB25U34, piston pump EA4VSO250LR330R-PPB25U34, EA4VSO355LR330R-PPB25U34; EA4VSO40MA30R-PPB25U34, EA4VSO71MA30R-PPB25U34, piston pump EA4VSO125MA30R-PPB25U34, EA4VSO180MA30R-PPB25U34, EA4VSO250MA30R-PPB25U34, EA4VSO355MA30R-PPB25U34; EA4VSO40EO230R-PPB25U34, EA4VSO71EO230R-PPB25U34, EA4VSO125EO230R-PPB25U34, EA4VSO180EO230R-PPB25U34, EA4VSO250EO230R-PPB25U34, EA4VSO355EO230R-PPB25U34;
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Pressure switch
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