Bosch Rexroth | 4WEH16J7X6EW110N9EDALB10
4WEH16J7X/6EW110N9EDAL/B10
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The 4WEH16J7X/6EW110N9EDAL/B10 valve belongs to the WEH Directional Spool Valves series from Bosch Rexroth. It is an electro-hydraulic 4-way unit with three spool positions that directs pressurized fluid to actuators in automated machinery. The valve is built in size NG16 so it fits manifolds designed for 16 mm nominal flow paths. A performance limit of 300 l/min defines the maximum flow it can pass without exceeding permissible pressure drop. Ports P, A, and B tolerate working pressures up to 280 bar while port T is rated for 250 bar to protect the tank return circuit. These figures let the component manage medium- to high-pressure systems that need reliable changeover under load.
Subplate mounting simplifies installation; the hydraulic interface follows ISO 4401-07-07-0-05 and is secured by four M10 × 60 screws according to ISO 4762 tightened to 58 Nm. Pilot control oil is taken internally, while the return is routed through an external Y port whose pressure must stay below 160 bar. The pilot stage may be energized up to 250 bar and requires at least 14 bar to shift the spring-centered spool, ensuring consistent actuation across variable supply conditions. By combining these pilot circuit limits with the main flow and pressure ratings established above, the valve provides stable directional control for electro-hydraulic automation loops.
Technical Specifications
Actuation Type
Electro-Hydraulic
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Max Pressure Port T
250 bar
Min Pilot Pressure (spring-centered)
14 bar
Mounting
Subplate
Mounting Interface
ISO 4401-07-07-0-05
Mounting Screws
4x M10 x 60 (ISO 4762)
Performance Limit Flow
300 l/min
Pilot Oil Return
External (Y)
Pilot Oil Supply
Internal
Pilot Return Y Max Pressure (ac)
160 bar
Screw Tightening Torque
58 Nm
Size
NG16
Spool Positions
3
Way Configuration
4-Way
1620 Old Apex Road
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