Bosch Rexroth | H-4WEH10E4X6EG24K4QM0G24
H-4WEH10E4X/6EG24K4QM0G24
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The H-4WEH10E4X/6EG24K4QM0G24 valve belongs to the WEH Directional Spool Valves series manufactured by Bosch Rexroth and is intended to route hydraulic flow in automated machinery. It is built to the NG10 nominal size, establishing its mounting envelope for subplate interfaces. The unit handles a maximum flow of 160 l/min when operated with spool symbol E. Working ports P, A, and B withstand up to 350 bar, while port T or Y in an external drain setup is limited to 315 bar. The pilot stage accepts pressures up to 250 bar and needs at least 12 bar to shift the three spring-centered spool positions. A 24 V DC solenoid actuates the pilot stage to move the main spool into its commanded position.
The valve draws pilot oil from an external source and returns that oil externally, keeping pilot flow separate from the main circuit. Electrical termination is through a DIN EN 175301-803 K4 connector that facilitates quick coil replacement. The subplate interface follows porting pattern ISO 4401-05-05-0-05, ensuring compatibility with standard manifold layouts. Rest-position monitoring is available through a 24 V DC signal contact to confirm spool status. Required fluid cleanliness is ISO 4406 (c) 20/18/15 to protect internal clearances, and allowable hydraulic fluid temperature ranges from −20 °C to +80 °C. The design accommodates viscosities between 2.8 and 500 mm²/s so that standard mineral oils remain within acceptable flow characteristics.
Technical Specifications
Electrical Connection
DIN EN 175301-803 (K4)
Fluid Cleanliness Class
ISO 4406 (c) 20/18/15
Hydraulic Fluid Temperature (nbr)
-20 to +80 °C
Max Flow (ng10, Symbol E)
160 l/min
Max Pilot Pressure
250 bar
Max Pressure (p, A, B)
350 bar
Max Pressure (port T, Y External)
315 bar
Min Pilot Pressure (3-pos Spring)
12 bar
Nominal Size
NG10
Pilot Oil Return
External
Pilot Oil Supply
External
Pilot Solenoid Voltage
24 V DC
Porting Pattern
ISO 4401-05-05-0-05
Position Monitoring
Rest Position (24 V DC)
Spool Positions
3 (Spring-Centered)
Viscosity Range
2.8 to 500 mm²/s
1620 Old Apex Road
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