Bosch Rexroth | 4WEH22J7X6EW110N9K4V
4WEH22J7X/6EW110N9K4/V
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The 4WEH22J7X/6EW110N9K4/V model is manufactured by Bosch Rexroth for the WEH Directional Spool Valves series and serves to switch hydraulic flow paths in automated circuits. Electro-hydraulic actuation lets a pilot stage shift the main spool so large line forces are not required at the electrical interface. The pilot valve is the 4WE6 High-Power version, creating fast response in systems built around the NG25 nominal size flow gallery. A J-configured spool directs oil through dedicated metering edges and allows a maximum flow of 450 l/min. Pressure at ports P, A, and B can reach 280 bar without derating. Circuit designers match this unit to subplates drilled with the ISO 4401-08-08-0-05 porting pattern.
Both solenoids connect through a DIN EN 175301-803 K4 plug, and a concealed N9 manual override permits local actuation during commissioning or power loss. The pilot supply may rise to 210 bar, while at least 10.5 bar is needed to recentralize the spring-centered spool. Subplate mounting streamlines replacement and minimizes plumbing changes in stack manifolds. FKM seals resist high-temperature hydraulic oils and many synthetic fluids. Total mass with two solenoids is 11.9 kg, providing the rigidity required for high-pressure service.
Technical Specifications
Actuation Type
Electro-Hydraulic
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (j Spool)
450 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
210 bar
Min Pilot Pressure (spring-centered)
10.5 bar
Mounting Type
Subplate Mounting
Nominal Size
NG25
Pilot Valve Type
4WE6 High-Power (6E)
Porting Pattern
ISO 4401-08-08-0-05
Seal Material
FKM (V)
Spool Symbol
J
Weight (two Solenoids)
11.9 kg
1620 Old Apex Road
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