EThan 4WEH valve is a 4/3 directional control valve that operates electro-hydraulically. It is a pilot-operated spool valve that controls the start, stop and direction of a volume flow
— For subplate mounting
— Wet-pin DC or AC solenoids,optional
— With or without fault detection button
— Electrical connection as individual or central connection
— Spring or pressure centring,spring end position or hydraulic end position
— Pilot throttling regulator
— Stroke limit of main control spool
— On port P of the main valve,there is a pilot pressure insert
— When the control pressure exceeds 25 Mpa,the regulator reduces the pilot pressure
— Cartridge orifie reduces oil supply to pilot valve
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E9017.2,2022 English 4WEH electro-hydraulic valves -Ethan.pdf