Bosch Rexroth | 4WEH10E4X6EG24N9ETS2K4B10
4WEH10E4X/6EG24N9ETS2K4/B10
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The 4WEH10E4X/6EG24N9ETS2K4/B10 valve belongs to the WEH Directional Spool Valves series and is produced by Bosch Rexroth. It is applied in hydraulic automation to shift flow paths between actuators and supply lines. The nominal size NG10 matches modular manifolds and, together with the ISO 4401-05-05-0-05 porting pattern, simplifies block mounting. A 4-way flow path combined with three spring-centered spool positions enables bidirectional cylinder control and automatic return to neutral when de-energized. The solenoid is wound for 24 V DC, and the DIN EN 175301-803 type K4 connector supports quick installation in control cabinets. A concealed manual override labeled N9 permits mechanical actuation during commissioning or power loss. The valve withstands 280 bar on pressure and work ports, allowing use in high-pressure systems.
Internal pilot oil supply coded ET feeds the control chamber from the pressure gallery, while the internal return path T directs pilot fluid back into the tank channel without external hoses. Reliable switching starts at a pilot pressure of 12 bar and remains safe up to 250 bar, providing a suitable range for most industrial pumps. The maximum flow capacity is 160 l/min, so the valve can serve medium-duty directional functions without excessive pressure drop. Switching time can be trimmed through discharge control S2, allowing operators to match speed to system dynamics. A built-in throttle insert with a 1.0 mm orifice, identified as B10, dampens pilot surges for smoother movement. The assembled unit weighs 6.8 kg, a consideration when sizing manifold supports and mounting hardware.
Technical Specifications
Coil Voltage
24 V DC
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow
160 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure
12 bar
Nominal Size
NG10
Number Of Ways
4-way
Pilot Oil Return
Internal (T)
Pilot Oil Supply
Internal (ET)
Porting Pattern
ISO 4401-05-05-0-05
Spool Positions
3 (spring-centered)
Switching Time Adjustment
Discharge Control (S2)
Throttle Insert
Ø1.0 mm (B10)
Weight
6.8 kg
1620 Old Apex Road
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