Bosch Rexroth | 4WEH22J7X6EG24N9S2DK25L
4WEH22J7X/6EG24N9S2DK25L
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The 4WEH22J7X/6EG24N9S2DK25L valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series and directs pressurized fluid in automated hydraulic systems. Its nominal size NG25 (W.H 22) establishes passage dimensions suitable for medium to high flow applications, while subplate mounting permits removal from a manifold without disturbing connected pipes. The ISO 4401-08-08-0-05 porting pattern keeps the interface consistent with standard blocks used in industrial equipment. A spool marked with symbol J sits in three selectable positions to alternate supply and return lines, and that spool can pass up to 450 l/min so actuators move at rated speed. Spring-centered construction recenters the spool when pilot pressure is removed, and the spring is overcome once at least 10.5 bar pilot pressure is available.
Command signals reach the spool through a 6E high-power pilot stage energized by a 24 V DC solenoid, giving fast and forceful actuation. External pilot oil supply designated X feeds the pilot valve from a clean branch circuit, and external return Y sends drained fluid back to tank without loading the main manifold. A concealed manual override coded N9 provides local shifting for setup or fault recovery while keeping moving parts protected. The main ports withstand operating pressures up to 280 bar, and the pilot circuit tolerates up to 210 bar so control remains stable under full load. Switching-time adjustment marked S2 uses discharge control to trim the response curve and match cylinder dynamics in integrated machinery.
Technical Specifications
Centering Method
Spring-Centered
Manual Override
Concealed (N9)
Max Flow (spool J)
450 l/min
Max Operating Pressure
280 bar
Max Pilot Pressure
210 bar
Min Pilot Pressure (spring-centered)
10.5 bar
Mounting Type
Subplate
Nominal Size
NG25 (W.H 22)
Pilot Oil Return
External (Y)
Pilot Oil Supply
External (X)
Pilot Valve Type
6E High-Power
Porting Pattern
ISO 4401-08-08-0-05
Solenoid Voltage
24 V DC (G24)
Spool Positions
3
Spool Symbol
J
Switching Time Adjustment
S2 (Discharge Control)
1620 Old Apex Road
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