Bosch Rexroth | 4WEH22J7X6EG24N9ETS2K4B10
4WEH22J7X/6EG24N9ETS2K4/B10
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The 4WEH22J7X/6EG24N9ETS2K4/B10 valve belongs to the WEH Directional Spool Valves series produced by Bosch Rexroth for hydraulic automation. It uses electro-hydraulic actuation so an electrical pilot signal shifts hydraulic flow without manual effort. The nominal size NG25 sets the passage dimensions for moderate flow rates, and the 4-way configuration offers separate pressure, tank, and two work ports. A J spool with three positions lets the circuit assume extend, retract, or neutral states, and a spring-centered return forces the spool back to center when the pilot is removed. A concealed manual override allows local shifting during maintenance while keeping the mechanism protected. The solenoid operates on 24 V DC and connects through a DIN EN 175301-803 K4 plug for standardized wiring. The unit weighs 11.9 kg, which determines the mounting load on the manifold.
The valve tolerates operating pressures up to 280 bar on ports P, A, and B, covering typical industrial pump outputs. Pilot control is rated for a maximum of 210 bar and remains functional down to 10.5 bar, ensuring reliable actuation over a broad range. Pilot oil is supplied internally from port X and returns internally through port T, eliminating external pilot lines and simplifying installation. A throttle insert with a 1.0 mm bore limits pilot flow to reduce switching shock. The interface follows the ISO 4401-08-08-0-05 porting pattern so it mates directly with standard subplates. These pressure, pilot, damping, and mounting features enable consistent directional control in automated hydraulic machinery.
Technical Specifications
Actuation
Electro-Hydraulic
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
210 bar
Min Pilot Pressure
10.5 bar
Nominal Size
NG25
Pilot Oil Return
Internal (T)
Pilot Oil Supply
Internal (X)
Porting Pattern
ISO 4401-08-08-0-05
Solenoid Voltage
24 V DC
Spool Return
Spring-Centered
Spool Type
J (3-Position)
Throttle Insert
Ø1.0 mm
Way Configuration
4-Way
Weight
11.9 kg
1620 Old Apex Road
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