4WE6H73-6X/EG96N9K4/62

The 4WE6H73-6X/EG96N9K4/62 directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic oil between pump, actuator, and tank ports in automated machinery. The solenoid coil operates at 96 V DC so electrical control circuits can be powered from standard DC bus supplies, and its rated current of 0.33 A limits power draw while still generating the magnetic force needed to shift the spool. The valve body follows the ISO 4401-03-02-0-05 mounting pattern, allowing direct installation on sub-plates or manifolds that share this industrial footprint. During continuous duty cycles it handles a maximum flow of 80 l/min so cylinders or motors receive adequate volume without excessive pressure loss. Fluid at the pressure, A, or B ports may reach 350 bar, matching the working ranges found in high-pressure mobile and industrial systems.

Additional limits safeguard the return circuit and manual functions. The tank port tolerates 210 bar, preventing seal extrusion when backpressure rises in the return line. A manual override is provided, and this feature is rated for a maximum tank pressure of 50 bar so technicians can reposition the spool safely during commissioning or power loss. An IP65 protection class shields the solenoids from dust ingress and water jets, enabling installation on equipment exposed to wash-down or outdoor conditions. NBR seals resist mineral-based hydraulic oils and maintain elasticity across common temperature ranges, ensuring long service life in the valve’s dynamic interfaces. Combined, these characteristics support reliable, electrically actuated flow direction within compact hydraulic manifolds.