Bosch Rexroth | 4WEH10HC4X6EG24N9K4
4WEH10HC4X/6EG24N9K4
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The 4WEH10HC4X/6EG24N9K4 valve belongs to the WEH Directional Spool Valves series and is manufactured by Bosch Rexroth for hydraulic automation circuits. It guides flow in an NG10 channel arrangement by using a spool with symbol C and two selectable positions. The control spool is returned hydraulically, and pilot actuation is provided by a wet-pin DC solenoid rated at 24 V DC. Pilot oil is supplied externally through port X so the main ports remain unloaded during switching. A concealed manual override permits local actuation without disturbing external dimensions.
The unit mounts on sub-plates conforming to ISO 4401-05-05-0-05, supporting flows up to 160 l/min while maintaining a pressure capability of 350 bar at ports P, A, and B. Return port T tolerates 315 bar when the external drain y is used, allowing installation in high-pressure return lines. The pilot stage operates between 7 and 250 bar so it can be driven by a wide range of control sources. Electrical power reaches the solenoid through a K4 connector that follows EN 175301-803, and the complete assembly weighs 6.4 kg for straightforward handling during maintenance.
Technical Specifications
Control Spool Return
Hydraulic (H)
Electrical Connection
K4 (EN 175301-803)
Manual Override
Concealed (N9)
Max Operating Pressure (p, A, B)
350 bar
Max Pressure Port T (y External)
315 bar
Maximum Flow (ng10)
160 l/min
Maximum Pilot Pressure
250 bar
Minimum Pilot Pressure (hydraulic End)
7 bar
Mounting Interface
ISO 4401-05-05-0-05
Nominal Size
NG10
Pilot Oil Supply
X External
Pilot Solenoid Voltage
24 V DC
Solenoid Type
Wet-Pin DC
Spool Positions
2
Spool Symbol
C
Weight
6.4 kg
1620 Old Apex Road
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