Bosch Rexroth | 4WEH10J4X6EG24N9ETDALB10
4WEH10J4X/6EG24N9ETDAL/B10
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The 4WEH10J4X/6EG24N9ETDAL/B10 valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series. It directs hydraulic flow to actuators in automated machinery where quick shifting and high volume capacity are required. The unit is built in size NG10, so it matches manifolds and subplates drilled for that envelope. Its porting pattern follows ISO 4401-05-05-0-05, enabling interchange with other components that share the same interface. A high-power 6E solenoid, energized at 24 V DC, supplies the actuation force needed for rapid spool movement. The valve supports a maximum flow of 160 l/min when fitted with a J spool and withstands operating pressures up to 280 bar in ports P, A, and B. Internal pilot supply and return are used, and the X and Y pilot ports remain closed, simplifying external piping.
For control circuits that rely on pilot operation, the design tolerates pilot pressures up to 250 bar while limiting pilot return pressure to 210 bar for stable spool centering. Tank port t can be exposed to 280 bar without compromising integrity, and spring-centered operation begins at a minimum pilot pressure of 12 bar. Fluid cleanliness must meet ISO 4406 class 20/18/15 to maintain reliable sealing and spool motion. A concealed N9 manual override allows positioning during commissioning or power loss without protruding parts. The housing is fastened with ISO 4762 M6 × 45 screws, providing the clamp force necessary for the specified loads. The valve carries a mean time to dangerous failure of 100 years, reflecting the robustness expected in industrial duty cycles.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Manual Override
Concealed (N9)
Max Flow (ng10, J Spool)
160 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Max Pilot Return Pressure (dc)
210 bar
Max Tank Port Pressure (t)
280 bar
Min Pilot Pressure (spring-centered)
12 bar
Mounting Screws
ISO 4762 M6 x 45
Mttfd
100 years
Pilot Ports X/y
Closed (ET)
Pilot Supply/return
Internal (ET)
Porting Pattern
ISO 4401-05-05-0-05
Size
NG10
Solenoid Type
6E (High-Power)
Supply Voltage
24 V DC
1620 Old Apex Road
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