Rexroth Proportional Servo Valves
Rexroth Proportional Servo Valves

Rexroth Proportional Valve 4WREE

Rexroth Valve 4WREE, 4WREE
Rexroth Proportional Valve 4WREE
Rexroth Proportional Valve 4WREE
Rexroth Proportional Valve 4WREE




Data Sheet of 4WREE series

REXROTH Type Code of 4WREE Series


Rexroth Proportional Valve 4WREE Description

Rexroth 4WREE, 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 basically consists of:

Housing (1) with connection surface

Control spool (2) with compression springs (3 and 4) and spring plates (5 and 6)

Solenoids (7 and 8) with central thread

Position transducer (9)

Integrated electronics (13)

Electrical zero point adjustment (12), accessible via Pg7



With de-energized solenoids (7 and 8), central position of the control spool (2) due to compression springs (3 and 4) between the spring plates (5 and 6)

Direct actuation of the control spool (2) by the control of one proportional solenoid, e. g. solenoid "b" (8)

- 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 (8)

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

In the de-energized state, the control spool (2) is held in a mechanical central position by the return springs of the solenoids. With control spool symbol "V", this position does not correspond to the hydraulic central position! When the electric valve control loop is closed, the control spool is positioned in the hydraulic central position.

Important notice: The PG fitting (11) must not be opened. Mechanical adjustment of the adjustment nut located below is prohibited and damages the valve 4WREE!


Valve with two spool positions: (Type Rexroth 4WREE...A...)

The function of this valve version basically corresponds to the valve with three spool positions. The 2 spool position valve is, however, only equipped with solenoid “a” (7). Instead of the 2nd proportional solenoid, a plug screw (10) is installed.

Notice: Due to the design principle, internal leakage which may increase over the life cycle is inherent to the valves 4WREE; 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.

HEASH B.V., supply Rexroth proportional directional valves 4WREE to customers who are demand for 4WRE 6, 4WRE 10, 4WREE 6, 4WREE 10, 4WREEM 6, 4WREEM 10. our supply is equal to your demand!

Rexroth Valve 4WREE Technical Data






Installation position


any, preferably horizontal

Ambient temperature range


-20 … +50

Storage temperature range


-20 … +80





MTTFd values according to EN ISO 13849 1)



1) With control spool types E, E1, EA, W, W1, WA; in longitudinal control spool direction, there is sufficient positive overlap without shock/vibration load; observe the installation orientation with regard to the main direction of acceleration.


Rexroth Valve 4WREE Features

Direct operated proportional directional valve with electrical position feedback and integrated electronics (OBE)

Control of flow direction and size

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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