Bosch Rexroth | 4WEH16J7X6EG24NK410B08
4WEH16J7X/6EG24NK4/10B08
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The 4WEH16J7X/6EG24NK4/10B08 valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series. It directs hydraulic flow in automated circuits where electrically actuated pilot control is required. The valve is built in NG16 size and follows the ISO 4401-07-07-0-05 mounting pattern so it fits standard subplates. A 24 V DC rated voltage energizes the solenoids that shift the J-type spool between three spring-centered positions for bidirectional actuation. Internal pilot oil supply is taken from port P, while a flow capacity up to 300 l/min passes through the main galleries. For safety against overload, the operating pressure at ports P, A, and B can reach 280 bar, and the pilot stage tolerates 250 bar. A DIN EN 175301-803 connector links the coil to the control wiring, and a manual override is provided for local positioning during setup or power loss.
External pilot oil returns through port Y, and the pilot return circuit withstands 210 bar. Port T is rated for 250 bar to accommodate back-pressure in tank lines. Stable shifting starts once the pilot pressure rises above 14 bar. The design incorporates a Ø 0.8 mm throttle insert labeled B08 that meters pilot flow for damping. These features sustain repeatable operation during high-demand cycles without exceeding the stated flow and pressure limits.
Technical Specifications
Connector
DIN EN 175301-803
Manual Override
Provided
Max Flow
300 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Max Pilot Return Pressure (y, Dc)
210 bar
Max Pressure Port T
250 bar
Min Pilot Pressure
14 bar
Mounting Pattern
ISO 4401-07-07-0-05
Pilot Oil Return
External (via Y)
Pilot Oil Supply
Internal (from P)
Rated Voltage
24 V DC
Size
NG16
Spool Positions
3-Position, Spring-Centered
Spool Symbol
J
Throttle Insert
Ø 0.8 mm (B08)
1620 Old Apex Road
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