Bosch Rexroth | 4WEH22J7X6EG24N9ETK4B08V
4WEH22J7X/6EG24N9ETK4/B08V
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The 4WEH22J7X/6EG24N9ETK4/B08V directional valve belongs to the WEH Directional Spool Valves series and is manufactured by Bosch Rexroth. Designed for hydraulic automation, it employs electro-hydraulic actuation to move a J-type spool inside a 4-way channel layout. The integrated high-power 6E pilot stage is driven by a 24 V DC solenoid that connects via a DIN EN 175301-803 K4 plug. Built to nominal size NG25, the unit mounts on standard subplates and manages a flow of up to 450 l/min. System pressure can reach 280 bar on ports P, A, and B without derating.
Spool re-centering is handled by internal springs, ensuring automatic return to neutral when the coil is de-energized. A concealed N9 manual override allows manual shifting during setup or power failure. Pilot oil is both supplied and returned internally in the ET arrangement, and the pilot circuit functions between 10.5 bar and 210 bar. A 0.8 mm throttle insert moderates pilot flow for stable response, while FKM sealing elements resist heat and aggressive media.
Technical Specifications
Actuation Type
Electro-Hydraulic
Centering Method
Spring-Centered
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
10.5 bar
Nominal Size
NG25
Pilot Oil Configuration
Internal Supply/Return (ET)
Pilot Valve Type
High-Power (6E)
Seal Material
FKM
Solenoid Voltage
24 V DC
Spool Type
J
Throttle Insert Diameter
0.8 mm
Way Configuration
4-Way
1620 Old Apex Road
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