Rexroth 4WE6 Servo Valve

Rexroth 4WE6 Servo Valve

Description:

The Rexroth 4WE6 Servo Valve is a high-performance proportional directional control valve designed for precise control of hydraulic flow and direction in servo hydraulic systems. Built to meet demanding industrial and mobile applications, the 4WE6 valve delivers smooth and accurate actuation, fast response, long service life, and excellent repeatability. It is ideal for motion control in high-precision machines, test stands, simulation systems, and automated production equipment.

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Rexroth 4WE6 Servo Valve

Parameter Specification
Model Rexroth 4WE6 (Various Codes)
Type Electro-hydraulic proportional servo valve
Construction 4-way / 3-position directional control
Control Input Electrical proportional / analog control
Rated Flow Up to 60–120 L/min (model-dependent)
Max Pressure (Ports A, B) Up to 315 bar (depending on variant)
Max Pressure (P) 350 bar
Spool Shift Proportional (via torque motor and feedback mechanism)
Null Bias Adjustable zero overlap / null bias
Supply Voltage ±10 VDC (typical command)
Current Rating ±140 mA typical
Frequency Response Up to 100–200 Hz (model variant)
Feedback Control Integrated mechanical feedback
Temperature Range –20 to +80 °C (application dependent)
**Fluid Hydraulic oil per DIN / ISO standards
Ports SAE or metric (model dependent)
Material High-strength steel / precision machined components
Weight Approx. 4–6 kg (model dependent)
Application Areas Test benches, machine tools, robotics, plastics, aerospace systems