Bosch Rexroth | H-4WEH10D4X6EW110N9TSK4QMBG24-CSA
H-4WEH10D4X/6EW110N9TSK4QMBG24 CSA
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The H-4WEH10D4X/6EW110N9TSK4QMBG24 CSA directional valve is manufactured by Bosch Rexroth and belongs to the WEH Directional Spool Valves series. It directs flow in hydraulic automation circuits to control cylinders and hydraulic motors. The valve is built in size 10, giving a nominal flow path suited to medium-capacity systems. Its subplate mounting face follows ISO 4401-05-05-0-05, which matches standard NG10 manifolds. Electro-hydraulic actuation combines a solenoid pilot stage with a main spool so lower electrical power shifts high-pressure flow. The design uses an external X port for pilot oil supply, while return oil is routed internally through the T port. The spool is returned hydraulically when the pilot signal is removed. The assembly withstands operating pressures up to 350 bar and passes up to 160 l/min without exceeding rated limits.
The pilot stage tolerates pressures up to 250 bar and requires at least 10 bar to move the two-spool spring arrangement. The electrical interface is a DIN EN 175301-803 K4 plug that simplifies field wiring. A concealed manual override allows technicians to shift the spool during setup without energizing the coil. Position B is monitored so system logic can verify valve state, and the associated position switch operates from a 24 V DC supply. The calculated mean time to dangerous failure is 100 years, providing a long service interval in safety-related equipment. With one solenoid fitted, the unit weighs 6.4 kg, allowing straightforward handling and mounting.
Technical Specifications
Actuation Type
Electro-Hydraulic
Control Spool Return
Hydraulic
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed
Max Flow
160 l/min
Max Operating Pressure
350 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (2-spool Spring)
10 bar
Mounting Interface
ISO 4401-05-05-0-05
Mttfd
100 Years
Pilot Oil Return
Internal (T)
Pilot Oil Supply
External (X)
Position Monitoring
Position B Monitored
Position Switch Supply
24 V DC
Size (ng)
10
Weight (one Solenoid)
6.4 kg
1620 Old Apex Road
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