Parameters of Rexroth Axial Piston Pump A10VSO18DFR1/31R-PPA12N00

1. Model Interpretation

2. Basic Specifications

• Pump Type: Axial piston pump, variable displacement
• Circuit Type: Open circuit
• Structural Design: Swash plate design
• Sealing Material: NBR with FKM shaft seal (complying with DIN ISO 1629) as standard
• Weight (Approx.): 12.9 kg
• Warranty Period: 1 year
• Material: Cast iron, ensuring durability and sturdiness of the pump body
• Drive Mode: Hydraulic drive

3. Performance Parameters

• Maximum Geometric Displacement: 18 cm³/rev (1.10 in³/rev)
• Nominal Pressure (pnom): 280 bar (4000 psi)
• Peak Pressure (pmax): 350 bar (5100 psi)
• Speed Range: 500 – 3300 rpm
• Nominal Speed (at max displacement): 3300 rpm
• Maximum Flow Rate (at 3300 rpm, max displacement): 59 L/min
• Flow Rate (at 1500 rpm, max displacement): 27 L/min
• Nominal Power (at nominal flow and pressure): 30 kW
• Differential Pressure (FR): 14.0 bar
• Volume Efficiency: ≥ 95%
• Medium Temperature Range: -20 °C to +90 °C

4. Structure & Control

• Control Mode: Pressure and flow control (hydraulic, X-channel closed), stepless flow adjustment via swash plate angle, with short control response time
• Swash Plate: Hydrostatically unloaded swash plate bearing for high reliability
• Rotation Direction: Clockwise (viewed from the shaft end)
• Through Drive: Not available (N00, no through drive)
• Solenoid Connector: Not included
• Internal Drain Line: No
• Drive Shaft: Capable of withstanding axial and radial loads

5. Installation & Interface

• Mounting Flange: ISO 3019-2 (metric), 2-hole pattern
• Shaft End: Straight shaft with key (conforming to DIN 6885)
• Working Ports: B flange (metric) and S flange (metric), with pressure port B and suction port S on opposite sides
• Suction Performance: Excellent, minimizing cavitation risk and ensuring stable operation in a wide working range
• Mounting Type: Flange mounting, complying with ISO standards for easy installation

6. Other Characteristics

• Operating Noise: Low noise level, ensuring a comfortable working environment
• Service Life: Long service life with robust construction and high-precision processing technology
• Oil Requirement: Suitable for mineral oil, HFA, HFB, HFC hydraulic fluids (excluding Skydrol)
• Power/Weight Ratio: High, with compact structure and easy installation and movement
• Application: Suitable for construction machinery, metallurgy, mining, ships and other industrial applications requiring variable flow and stable pressure.