Rexroth A4VSO Hydraulic Piston Pump 280 Bar 1800-3000 RPM

A4VSO250DR/22R-VPB13N00 A4VSO250DR/22R-PPB13N00 A4VSO180EO2/22R-VPB25N00
A4VSO180EO2/22R-VZB13N00 A4VSO180EO2/22R-PZB13N00 Excavator motor, German Rexroth industrial piston pump, high pressure

FAQ:

1. General Information & Principles

Q1: What is the working principle of the A4VSO pump?

The A4VSO pump operates on the axial piston principle. It converts mechanical rotation into hydraulic flow by utilizing a rotating cylinder block containing pistons. These pistons reciprocate within their bores as they slide against a tilted swash plate (斜盘). This reciprocating motion changes the volume of the sealed chambers, drawing in fluid during the expansion phase and pressurizing and expelling it during the compression phase, thereby achieving suction and discharge.

Q2: What are the main advantages of the A4VSO series pumps?

Key advantages include high rated pressure (up to 350 bar, peak 400 bar), compact structure, high efficiency, convenient flow regulation, excellent suction characteristics, low noise levels, long service life, and a wide range of control options (e.g., pressure, flow, power).

2. Installation & Commissioning

Q3: What are the critical considerations for installing an A4VSO pump?

• Foundation: The base mount or flange mount must be rigid.

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