Bosch Rexroth | 4WEH10E4X6EW110N9DK25LV
4WEH10E4X/6EW110N9DK25L/V
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The 4WEH10E4X/6EW110N9DK25L/V directional spool valve belongs to the WEH Directional Spool Valves series produced by Bosch Rexroth. It directs pressurized oil to actuators in electro-hydraulic systems. The unit employs an E-coded spool arranged in three discrete positions, and the spring-centered design returns the spool to center when pilot pressure is removed. To shift this element the pilot stage must supply at least 12 bar and can reach up to 250 bar without damage. Channels P, A, and B withstand working pressures up to 280 bar, matching common industrial supply lines. Installation follows the ISO 4401-05-05-0-05 porting pattern, and a concealed manual override allows mechanical actuation during commissioning or power loss.
The valve passes up to 160 l/min through the E spool when mounted on an NG10 manifold, supporting medium-flow cylinders and motors. Stable behavior is maintained with hydraulic media between 2.8 and 500 mm²/s and at ambient temperatures from –15 °C to +50 °C. Return line T is rated for 280 bar, so no separate drain is required. FKM sealing elements resist mineral oils and elevated temperatures, and fluid cleanliness must reach ISO 4406 class 20/18/15 to avoid spool wear. The double-solenoid configuration weighs 6.8 kg, which simplifies handling during assembly while providing the rigidity expected of steel-bodied Bosch Rexroth valves.
Technical Specifications
Ambient Temp Range (fkm)
-15 to +50 °C
Centering
Spring-Centered
Cleanliness Class
ISO 4406 20/18/15
Manual Override
Concealed
Max Flow (spool E, Ng10)
160 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Operating Pressure (t)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
12 bar
Porting Pattern
ISO 4401-05-05-0-05
Seal Material
FKM
Spool Positions
3
Spool Symbol
E
Valve Size
NG10
Viscosity Range
2.8 to 500 mm²/s
Weight (2 Solenoids, Spring-centered)
6.8 kg
1620 Old Apex Road
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