Bosch Rexroth | 4WEH10J4X6EG24N9DA
4WEH10J4X/6EG24N9DA
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The 4WEH10J4X/6EG24N9DA directional spool valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series for hydraulic automation that routes pressurized oil to actuators. It is intended for subplate mounting in NG10 circuits and handles up to 160 l/min, while ports P, A, and B withstand 280 bar. A 24 V DC solenoid coil energizes the spool so the valve can be driven directly from common machine controls. A concealed manual override lets maintenance staff shift the spool without power and shields the push pin from accidental use. The pilot stage draws oil from an external supply and needs at least 12 bar to switch, ensuring dependable actuation under varying system conditions. Nominal size NG10 fixes port geometry to standard plates, and the assembled weight of 6.8 kg must be supported during installation.
The pilot circuit endures up to 250 bar and the Y drain port may see a maximum of 210 bar, so connected lines must be rated accordingly. Pilot oil returns externally, isolating control flow from the working gallery to limit back-pressure on the spool. The mounting face follows the ISO 4401-05-05-0-05 pattern, and four screws should be tightened to 12.5 Nm to seal the valve against the subplate. Surface coating thickness is kept at or below 100 µm to provide basic corrosion resistance without compromising gasket compression. Functional safety is supported by an MTTFd of 100 years, indicating a low probability of dangerous failure over long service periods. These characteristics ensure straightforward installation beside other WEH valves in shared manifold blocks.
Technical Specifications
Coil Voltage
24 V DC
Manual Override
Concealed
Max Flow
160 l/min
Max Operating Pressure (p, A, B)
280 bar
Maximum Pilot Pressure
250 bar
Minimum Pilot Pressure
12 bar
Mounting Pattern
ISO 4401-05-05-0-05
Mounting Screw Torque
12.5 Nm
Mounting Type
Subplate Mounting
Mttfd (type Weh)
100 years
Nominal Size
NG10
Pilot Oil Return
External
Pilot Oil Supply
External
Surface Coating Thickness
≤100 µm
Weight (two Solenoids, Centered)
6.8 kg
Y Port Max Pressure (dc)
210 bar
1620 Old Apex Road
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