Bosch Rexroth | 4WEH10E4X6EW110N9ES2K4B10D3
4WEH10E4X/6EW110N9ES2K4/B10D3
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The 4WEH10E4X/6EW110N9ES2K4/B10D3 valve is part of the WEH Directional Spool Valves series manufactured by Bosch Rexroth. It routes fluid in hydraulic automation circuits with a 4-way spool that matches the ISO 4401-05-05-0-05 porting pattern. The nominal size NG10 platform supports machine manifolds that demand up to 160 l/min while tolerating line pressures of 280 bar. Two solenoids weighing 6.8 kg shift the spool when powered by a 110 V AC, 50/60 Hz coil. Wiring is completed through a DIN EN 175301-803 K4 connector, giving quick plug-in installation and standardized sealing.
Pilot functions are handled by a high-power 6E control stage that draws oil internally and returns it externally, separating supply and tank lines. The pilot opens at 12 bar and may be driven to 250 bar; a pressure reducing element caps the circuit at 45 bar to prevent overload. Switching speed is adjusted by the S2 discharge control, and a Ø1.0 mm B10 throttle insert refines flow during transitions. When electrical actuation is unavailable, a concealed N9 manual override lets maintenance staff shift the spool directly, finishing the list of operational features.
Technical Specifications
Coil Voltage
110 V AC (50/60 Hz)
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Maximum Flow
160 l/min
Maximum Operating Pressure
280 bar
Maximum Pilot Pressure
250 bar
Minimum Pilot Pressure
12 bar
Nominal Size
NG10
Pilot Control Valve
6E (High-Power)
Pilot Oil Flow
Internal Supply, External Return
Porting Pattern
ISO 4401-05-05-0-05
Pressure Reducing Valve Pressure
45 bar
Switching Time Adjustment
Discharge Control (S2)
Throttle Insert
Ø1.0 mm (B10)
Way Configuration
4-way
Weight (2 Solenoids)
6.8 kg
1620 Old Apex Road
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