Bosch Rexroth | 4WEH10D4X6EG24N9TK4
4WEH10D4X/6EG24N9TK4
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The 4WEH10D4X/6EG24N9TK4 valve belongs to the WEH Directional Spool Valves series manufactured by Bosch Rexroth and is intended for directional control duties in hydraulic automation. It uses a 4-way configuration with spool symbol D to switch flow paths between ports, and its nominal size 10 suits medium-flow manifolds. A porting pattern of ISO 4401-05-05-0-05 aligns the valve with standard subplates, while a maximum flow capacity of 160 l/min supports cylinders and motors that draw moderate oil volumes. System ports P, A, and B can be loaded up to 280 bar, giving the assembly compatibility with high-pressure circuits. External pilot oil supply X energizes the control stage, and internal pilot oil return T channels spent pilot oil back through the body to simplify plumbing. A concealed manual override (N9) lets maintenance staff shift the spool when electrical power is unavailable.
Solenoid actuation requires 24 V DC, and wiring is completed through a DIN EN 175301-803 type K4 connector. The pilot stage tolerates pressures up to 250 bar, matching common supply lines. Hydraulic fluids may range from −20 °C to +80 °C and from 2.8 to 500 mm²/s viscosity, so the valve covers cold start and warmed-up operating conditions. To protect the precision fit between spool and bore, oil cleanliness must meet ISO 4406 class 20/18/15. Proper installation calls for mounting screws tightened to 12.5 Nm, preventing leakage without distorting the housing.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Electrical Connector
DIN EN 175301-803 (K4)
Hydraulic Fluid Temp Range
–20 to +80 °C
Manual Override
Concealed (N9)
Max Operating Pressure (p/a/b)
280 bar
Max Pilot Pressure
250 bar
Maximum Flow
160 l/min
Mounting Screw Torque
12.5 Nm
Nominal Size (ng)
10
Operating Voltage
24 V DC
Pilot Oil Return
Internal (T)
Pilot Oil Supply
External (X)
Porting Pattern
ISO 4401-05-05-0-05
Spool Symbol
D
Viscosity Range
2.8 to 500 mm²/s
Way Configuration
4-way
1620 Old Apex Road
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