Bosch Rexroth | 4WEH22J7X6EW110N9S2DAL
4WEH22J7X/6EW110N9S2DAL
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The 4WEH22J7X/6EW110N9S2DAL hydraulic valve is built by Bosch Rexroth within the WEH Directional Spool Valves series. It directs oil flow in automated hydraulic circuits for motion control. The unit conforms to ISO 4401-08-08-0-05 mounting, letting it fit interchangeably on NG25 manifolds. With a nominal size of 25, it suits medium to high flow applications, and the four-way body provides two service ports plus pressure and tank connections for bidirectional actuator movement. A J-profile spool supplies three discrete positions so cylinders can extend, retract, or be blocked. Rated flow capability reaches 450 l/min at the J symbol, enabling rapid actuator response. The spool is held in its neutral position by a spring-centered mechanism that requires at least 10.5 bar pilot pressure to shift. Pilot oil enters through the external X port and drains separately via the external Y port, isolating control oil from the main return line and easing circuit design.
Pilot actuation is handled by the High-Power 6E control stage, allowing reliable shifting under pressures up to 210 bar while the main ports tolerate 280 bar during operation. Electrical input to the solenoid is 110 V AC at 50 or 60 Hz, giving compatibility with common industrial power feeds. An internal discharge adjustment marked S2 lets maintenance staff set switching times to match system dynamics. For manual commissioning or emergency operation, a concealed N9 override is provided and can be accessed when the solenoid is de-energized. The valve’s pressure envelope and adjustable timing features support precise sequencing in presses, forging machines, and other equipment that require consistent directional control.
Technical Specifications
Centering Method
Spring-Centered
Manual Override
Concealed (N9)
Max Flow (symbol J)
450 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
210 bar
Min Pilot Pressure (spring-centered)
10.5 bar
Nominal Size (ng)
25
Pilot Control Valve
High-Power 6E
Pilot Oil Return
External (Y)
Pilot Oil Supply
External (X)
Porting Pattern
ISO 4401-08-08-0-05
Solenoid Voltage
110 V AC (50/60 Hz)
Spool Positions
3
Spool Symbol
J
Switching Time Adjustment
Discharge (S2)
Valve Ways
4-way
1620 Old Apex Road
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