Product Overview The Rexroth A10VSO pump is engineered for stationary industrial applications. Flow is proportional to the drive speed and displacement, which can be steplessly varied by adjusting the swashplate angle. Its modular design supports a wide range of highly responsive control devices, making it adaptable to complex hydraulic systems.
Why Choose Rexroth A10VSO?
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Through-Drive Capability: Comes standard with a through-drive adaptable for mounting secondary pumps (gear pumps or piston pumps) on the same shaft.
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Versatile Controls: Available with DR (Pressure control), DFR/DFR1 (Pressure and flow control/Load Sensing), and DFLR (Pressure, flow, and power control).
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Durability: Heavy-duty bearings and a rigid housing design ensure a long service life under continuous load.
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Low Noise: Optimized design reduces pressure pulsation and noise emissions.
Common Applications:
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Industrial Power Units (HPU)
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Plastic Injection Molding Machines
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Press Applications
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Marine & Offshore Winches
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General Automation
| Specification | Value / Description |
| Product Type | Variable Axial Piston Pump (Swashplate) |
| Circuit Type | Open Circuit |
| Series | Series 31 (Standard), Series 32, Series 52 |
| Displacement Sizes ($V_g$) | 18, 28, 45, 71, 100, 140 cm³/rev |
| Nominal Pressure ($p_{nom}$) | 280 bar (4000 psi) |
| Peak Pressure ($p_{max}$) | 350 bar (5100 psi) |
| Max. Speed ($n$) | 1800 – 3000 rpm (depending on size) |
| Control Devices | DR, DFR, DFR1, DFLR, DRG |
| Mounting Flange | ISO 3019-2 (Metric) or SAE (Imperial) |
| Port Connections | SAE Flange Ports (Rear or Side) |
| Common Part Numbers |
Model Code: A10VSO [Size] [Control] / 31 R – P P A 12 N00 A10VSO 18 DFR1/31R-PPA12N00 (18cc, Flow Control) A10VSO 28 DFR1/31R-PPA12N00 (28cc, Flow Control) A10VSO 45 DR/31R-PPA12N00 (45cc, Pressure Control) A10VSO 71 DFR1/31R-PPA12N00 (71cc, Flow Control) A10VSO 100 DFLR/31R-PPA12N00 (100cc, Power Control) A10VSO 140 DR/31R-PPB12N00 (140cc, Pressure Control) (Note: “R” = Clockwise Rotation, “L” = Counter-Clockwise) |
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