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

 

 

 

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