DIRECTIONAL SHUT-OFF VALVES, INTERNALLY PILOT OPERATED, EXTERNALLY PILOT OPERATED

Shut-off valves, 4/2 and 4/3 directional isolator valves: Z4WE6 | Z4W(E)H10-4X | Z4W(E)H16 | Z4W(E)H22
2 types of actuation:
– Electrohydraulic (type WEH)
– Hydraulic (type WH) – available
Valve type Z4WEH are directional spool valves with electrohydraulic actuation. They control the start and stop of a flow, and function as an emergency on–off isolating valve or on–off isolating/bypass valve, primarly used for servo/proportional systems

Features

Sizes 10
Directional spool valve, pilot operated
Function as shut-off through-valve or shut-off/through valve/short-circuit valve
Free flow in P and T in every spool position
Porting pattern to ISO 4401-05-04-0-05
Wet-pin DC or AC voltage solenoids, optional
Manual override, optional
Electrical connection as individual or central connection
Switching time adjustment, optional
Stroke adjustment of main spool, optional
Inductive position switch and proximity sensors