Bosch Rexroth | 4WEH22J7X6EW110N9TDAV
4WEH22J7X/6EW110N9TDA/V
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The 4WEH22J7X/6EW110N9TDA/V valve is produced by Bosch Rexroth for the WEH Directional Spool Valves series and serves as a 4/3-way control element that directs hydraulic flow in automated machinery. Its spool symbol J defines the flow paths available in the center position, while the nominal size NG25 sets the interface dimensions required for manifold installation. The porting pattern follows ISO 4401-08-08-0-05 so the unit fits standard subplates without adaptation. A maximum flow of 450 l/min can be routed when the external X pilot supply is used with this spool. Ports P, A, and B withstand up to 280 bar, whereas the T port is limited to 250 bar. Pilot oil is fed externally through port X and returned internally via port T, and a High-Power 6E pilot stage shifts the main spool once the external circuit reaches at least 10.5 bar.
The hydraulic fluid must meet ISO 4406 (c) 20/18/15 cleanliness to protect the precision-ground spool and bore from contamination. A concealed N9 manual override lets technicians move the spool mechanically during commissioning or fault recovery. The pilot supply may rise to 210 bar, providing ample margin for rapid actuation without overstressing the control stage. Six M12 × 60 screws to ISO 4762 fasten the valve body to the manifold, ensuring secure clamping under full pressure load. FKM seals identified by code V resist high temperatures and many synthetic fluids, maintaining tightness over long service intervals.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Manual Override
Concealed (N9)
Max Flow (j, X External)
450 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Operating Pressure (t Port)
250 bar
Max Pilot Pressure
210 bar
Min Pilot Pressure (x External)
10.5 bar
Mounting Screws
M12 x 60 (ISO 4762), 6 pcs
Nominal Size
NG25
Pilot Control Valve
High-Power (6E)
Pilot Oil Return
Internal (T)
Pilot Oil Supply
External (X)
Porting Pattern
ISO 4401-08-08-0-05
Seal Material
FKM (Code V)
Spool Symbol
J
Valve Function
4/3-Way Directional Spool
1620 Old Apex Road
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