Bosch Rexroth | 4WEH10E4X6EG24N9TK4
4WEH10E4X/6EG24N9TK4
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The 4WEH10E4X/6EG24N9TK4 valve is produced by Bosch Rexroth for the WEH Directional Spool Valves series. It serves as an electro-hydraulic interface that shifts a spool to route fluid in automated hydraulic circuits. Electro-hydraulic actuation lets a small pilot stage move the main spool, and the solenoid coil is rated for 24 V DC to match common machine power supplies. Electrical power reaches the coil through a DIN EN 175301-803 connector that simplifies field wiring. The valve mounts on a subplate using the ISO 4401-05-05-0-05 pattern so it can be replaced without disturbing pipework. Its nominal size is NG10, providing a passage area suited for medium-capacity circuits. A 4-way flow path supports bidirectional cylinder control, and three discrete spool positions allow extend, neutral, and retract states. External pilot supply is taken from port X, ensuring stable actuation even when main line pressure fluctuates.
During operation the main stage can pass up to 160 L/min while withstanding line pressures of 280 bar, enabling the valve to handle high-duty actuator flows. The pilot stage tolerates up to 250 bar, so control pressure remains within safe limits relative to the working circuit. Fast shifting is assisted by a pilot flow of 35 L/min, and each cycle displaces 2.04 cm³ of pilot oil. Return flow from the pilot section is routed internally through port Y, eliminating the need for a separate drain line. A concealed manual override lets maintenance staff move the spool without energizing the coil for setup tasks. These features combine to provide reliable direction control for automated hydraulic machinery within the capacity range defined above.
Technical Specifications
Actuation
Electro-Hydraulic
Coil Voltage
24 V DC
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Flow
160 L/min
Max Operating Pressure
280 bar
Max Pilot Pressure
250 bar
Mounting Pattern
ISO 4401-05-05-0-05
Mounting Type
Subplate
Nominal Size
NG10
Number Of Positions
3
Pilot Flow (shortest Switching Time)
35 L/min
Pilot Oil Return
Y Internal
Pilot Oil Supply
X External
Pilot Volume (switching Process)
2.04 cm3
Way Configuration
4-Way
1620 Old Apex Road
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