Bosch Rexroth | 4WEH10J4X6EG24N9ETSK4B10V
4WEH10J4X/6EG24N9ETSK4/B10V
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The 4WEH10J4X/6EG24N9ETSK4/B10V directional spool valve is produced by Bosch Rexroth and belongs to the WEH Directional Spool Valves series. It directs hydraulic flow in automated machinery through electro-hydraulic actuation, with a 24 V DC solenoid supplying the pilot energy that shifts the NG10, 4-way spool. The J spool is spring-centered so all flow paths close when the control signal is removed. Pilot oil is supplied and returned internally, which removes the need for external pilot lines. A concealed manual override allows local operation during setup or fault recovery. Electrical connection is made with a DIN EN 175301-803 K4 plug, and switching time can be tuned via an integrated supply control feature, allowing the user to match valve response to system dynamics.
The valve passes up to 160 l/min through the J spool while maintaining flow stability. Continuous pressure capability reaches 280 bar on ports P, A, and B, and the pilot stage tolerates up to 250 bar; the centering springs begin to act once pilot pressure drops below 12 bar. It mounts on subplates with the ISO 4401-05-05-0-05 pattern for easy interchangeability. A built-in 1.0 mm throttle insert moderates pilot flow to control acceleration and limit pressure spikes. FKM seals resist high-temperature hydraulic fluids and extend service life.
Technical Specifications
Actuation Type
Electro-Hydraulic
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (j Spool, Ng10)
160 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
12 bar
Nominal Size
NG10
Pilot Oil Supply/return
Internal (ET)
Porting Pattern
ISO 4401-05-05-0-05
Seal Material
FKM (V)
Solenoid Voltage
24 V DC
Spool Symbol
J (3-Position, Spring-Centered)
Switching Time Adjustment
Supply Control (S)
Throttle Insert
Ø 1.0 mm (B10)
Way Configuration
4-Way
1620 Old Apex Road
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