Rexroth Proportional Servo Valves
Rexroth Proportional Servo Valves

Rexroth Proportional Valve 4WRAE

Rexroth Valve 4WRAE
Rexroth Proportional Valve 4WRAE
Rexroth Proportional Valve 4WRAE




Data Sheet of 4WRA series.pdf

REXROTH type code of 4WRA.pdf


Rexroth Proportional Valve 4WRAE Description

Rexroth valves 4WRAE, one of the 4/2 and 4/3 proportional directional valves, are designed as direct operated devices in plate design. Operation by means of proportional solenoids with central thread and detachable coil. The solenoids are controlled via integrated electronics.


 The valve 4WRAE basically consists of:

 - Housing (1) with connection surface

 - Control spool (2) with compression springs (3 and 4)

 - Solenoids (5 and 6) with central thread

 - Integrated electronics (7)


4WRAE Function:

 - With de-energized solenoids (5 and 6), central position of the control spool (2) due to compression springs (3 and 4)

 - Direct actuation of the control spool (2) by energization of one proportional solenoid, e. g. energization of solenoid "b" (6)

- Control spool (2) is moved to the left in proportion to the electrical input signal

- Connection from P to A and B to T via orifice-type cross-sections with progressive flow characteristics

- Switching off of the solenoid (6)

- Control spool (2) is returned to the central position by the compression spring (3)


Rexroth valve 4WRAE with two spool positions (type Rexroth 4WRA...A...):

The function of 4WRAE valve version basically corresponds to the valve with three spool positions. This 2 spool position valve is, however, only equipped with solenoid “a”. Instead of the 2nd proportional solenoid, there is a plug screw (8.1) with NG 6 or a cover (8.2) with NG10.

Notice: The tank line must not be allowed to run empty. With corresponding installation conditions, a preload valve (preload pressure approx. 2 bar) must be installed.


New and original Rexroth valves 4WRAE provide by Heash Technique B.V. with competitive price. welcome to ask for 4WRA 6, 4WRA 10, 4WRAE 6, 4WRAE 10. some of Rexroth 4WRAE valves are stock in our warehouse.

Rexroth Valve 4WRAE Features

Direct operated proportional directional valve, without electrical position feedback, with integrated electronics (OBE)

Control of the direction and magnitude of a flow

Operation by means of proportional solenoids with central thread and detachable coil

For subplate mounting: Porting pattern according to ISO 4401

Spring-centered control spool

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