Bosch Rexroth | 4WEH10HD4X6EG24N9ETK4
4WEH10HD4X/6EG24N9ETK4
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The 4WEH10HD4X/6EG24N9ETK4 directional spool valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series. Serving hydraulic automation tasks, it shifts a D-coded spool in a size NG10 body to route pressurized fluid as commanded. The housing follows the ISO 4401-05-05-0-05 porting pattern, allowing direct mounting on standard subplates. A maximum flow of 160 l/min can pass through while maintaining up to 350 bar at ports P, A, and B. The solenoid coil operates on 24 V DC and mates with a DIN EN 175301-803 K4 connector for straightforward wiring. A concealed N9 manual override enables local actuation during setup or maintenance, completing the primary control features of this valve.
Internal pilot supply and return ports (ET) eliminate external lines, and the control spool is returned hydraulically, a configuration that keeps the unit operational even when electrical power is lost. The pilot stage accepts pressures up to 250 bar, the internal return path tolerates 210 bar, and reliable switching starts at 7 bar. Fluid cleanliness must meet ISO 4406 class 20/18/15 to prevent wear and sticking. Manifold assembly calls for 12.5 Nm of mounting torque to secure the sealing surfaces without distortion. These parameters confirm suitability for compact, high-pressure circuits that rely on consistent directional control and minimized plumbing complexity.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
24 V DC
Control Return
Hydraulic
Electrical Connector
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (hd)
160 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Pilot Pressure
250 bar
Max Pilot Return Pressure (internal)
210 bar
Min Pilot Pressure (hyd End)
7 bar
Mounting Torque
12.5 Nm
Pilot Supply/return
Internal/Internal (ET)
Porting Pattern
ISO 4401-05-05-0-05
Size
NG10
Spool Symbol
D
1620 Old Apex Road
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