Bosch Rexroth | 4WEH22E7X6EW110N9EDALB10
4WEH22E7X/6EW110N9EDAL/B10
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The 4WEH22E7X/6EW110N9EDAL/B10 is a directional spool valve built by Bosch Rexroth for the WEH Directional Spool Valves series and is used to route pressurized fluid in automated hydraulic circuits. It belongs to component series 7X and fits the NG25 size class, allowing installation on machines that follow the ISO 4401-10-09-0-05 port layout. A 4WE 6 high-power pilot valve manages the main spool, and its coil is rated for 110 V AC to match common plant power. Pilot oil is taken internally from port P, while the return flow exits externally through port Y, which may see pressures up to 160 bar during operation. The main flow paths A and B tolerate continuous service at 280 bar and pass up to 450 l/min, enabling high-volume actuators to move at full speed without cavitation or pressure loss.
The valve operates in ambient temperatures from −20 to +50 °C so it can be mounted on mobile or stationary equipment exposed to normal outdoor conditions. Fluid entering the unit must meet ISO 4406 20/18/15 cleanliness to protect the precision-ground spool surfaces. A concealed manual override lets technicians shift the spool during setup or emergency situations without interfering with normal solenoid control. The pilot stage accepts pressures between 10.5 and 210 bar, giving flexibility when the supply source fluctuates in complex circuits. A factory-installed Ø 1.0 mm throttle insert dampens pilot flow peaks for smoother shifting. All working ports share the ISO 4401-10-09-0-05 pattern, speeding manifold design and replacement in existing systems.
Technical Specifications
Ambient Temperature (nbr)
−20 to +50 °C
Coil Voltage
110 V AC (W110)
Component Series
7X
Fluid Cleanliness
ISO 4406 (c) 20/18/15
Manual Override
Concealed (N9)
Maximum Flow (symbol E)
450 l/min
Maximum Operating Pressure (p, A, B)
280 bar
Maximum Pilot Pressure
210 bar
Minimum Pilot Pressure
10.5 bar
Nominal Size
NG25 (W.H 22)
Pilot Control Valve
4WE 6 High-Power (6E)
Pilot Oil Return
External Via Y
Pilot Oil Supply
Internal From P (E)
Pilot Return Y Max Pressure (ac)
160 bar
Porting Pattern
ISO 4401-10-09-0-05
Throttle Insert
Ø 1.0 mm (B10)
1620 Old Apex Road
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