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The 4WEH10J4X/6EG24N9ETS2DK24L/B10V valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series. It serves hydraulic automation systems by shifting flow paths through a pilot-operated spool. The mounting face follows porting pattern ISO 4401-05-05-0-05 so it aligns with standardized subplates. Nominal size NG10 gives moderate passage dimensions for machine circuits. Using spool symbol J, the unit establishes specific metering land positions for controlled directional change. It carries a maximum flow capability of 160 l/min under NG10 conditions, while ports P, A, and B can withstand operating pressures to 280 bar. The pilot stage is the 6E type and is energized by a 24 V DC coil. Pilot pressure may rise to 250 bar, yet a minimum of 12 bar is needed to move the spring-centered spool.
Both pilot oil supply and return are internal, coded ET, which removes the need for external pilot lines. A concealed manual override allows the spool to be shifted mechanically during setup or troubleshooting. Actuation speed can be modified through discharge control S2, enabling switching time adjustment without external valves. The optional B10 throttle insert with a 1.0 mm orifice further smooths pilot flow to reduce shock. FKM seal material resists heat and compatible fluids for extended service life. In its two-solenoid spring-centered form the assembly weighs 6.8 kg, facilitating direct manifold support. These combined features provide precise, high-pressure direction control required by presses, injection machines, and other automated equipment.
Coil Voltage (pilot)
24 V DC
Manual Override
Concealed
Max Flow (ng10, Symbol J)
160 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
12 bar
Nominal Size
NG10
Pilot Oil Return
Internal (ET)
Pilot Oil Supply
Internal (ET)
Pilot Valve Type
6E
Porting Pattern
ISO 4401-05-05-0-05
Seal Material
FKM
Spool Symbol
J
Switching Time Adjustment
Discharge Control (S2)
Throttle Insert
Ø1.0 mm (B10)
Weight (2-solenoid, Spring-centered)
6.8 kg
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