Rexroth A10VSO71DFR1 31R-VPA12N00 Hydraulic Pump Cast Iron 71 cm³ Displacement

General Description

Detailed Parameters

• Geometric Displacement per Revolution (Vg): 71 cm³.
• Maximum Rotational Speed at Vg max: 2200 rpm.
• Flow at nnom and Vg max: 156 l/min.
• Power at nnom, Vg max, and Δp = 280 bar: 73 kW.
• Torque at Vg max and Δp = 280 bar: 316 Nm.
• Rotary Stiffness:
  • Drive shaft Sc: 71884 Nm/rad.
  • Rotor Rc: 76545 Nm/rad.
  • Piston Pc: 80627 Nm/rad.
• Moment of Inertia of the Rotary Group (JTW): 0.0083 kgm².
• Maximum Angular Acceleration: 2900 rad/s².
• Case Volume: 1.6 L.
• Weight (Approx.): 33 kg.

Operating Pressure Range

• Nominal Pressure (pnom): 280 bar.
• Maximum Pressure (pmax): 350 bar.
• Minimum Pressure on High-Pressure Side (B): 10 bar.
• Maximum Pressure at Suction Port (S): 10 bar.
• Maximum Leakage Pressure at Port L, L1: 2 bar.

Controller Data (DFR/DFR1)

• Setting Range: Up to 280 bar.
• Control Fluid Consumption: Maximum approx. 5.5 l/min.
• Beginning of Control: 50 bar.

Applications