A10VSO45DFR1/31R-PPA12K02 A10VSO45DFR/31R-PPA12N00 Rexroth A10VSO series piston pump German hydraulic pump

FAQ:

Frequently Asked Questions (FAQ) – Rexroth A10VSO Series Piston Pumps

1. What is the A10VSO series piston pump?

The A10VSO is a swash-plate axial piston variable pump designed for open-circuit hydraulic systems. It is widely used in industrial and mobile applications due to its high efficiency, low noise, and long service life. Key features include:

• Flow rate adjustment via swash plate angle control.

• ISO/SAE standard mounting flanges and SAE metric flange connections.

• Continuous operating pressure up to 280 bar (peak: 350 bar).

• Multiple control options (pressure, flow, power, etc.).

• Through-drive capability for multi-pump systems.

2. What are the available displacement sizes?

The A10VSO series offers displacements from 10 to 140 cc/rev, categorized into:

• 31/32 series: 18–140 cc/rev (common sizes: 28, 45, 71, 100, 140).

• 52 series: 10 cc/rev (limited models).

3. How does the control mechanism work?

The pump supports multiple control types, indicated in the model code (e.g., DFR1):

• DR: Pressure control (remote).

• DFR: Pressure/flow control.

• DFLR: Pressure/flow/power control.

• FE/DFE: Electrohydraulic flow or pressure/flow control.

• ED: Electrohydraulic pressure control.

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