Quarter Turn Hydraulic Spring Return Actuator Type HYS

Valvitalia quarter turn spring return hydraulic actuator suitable for butterfly, ball and plug valves for on/off or modulating service, powered by hydraulic supply.
Technical characteristics:

  • Output torque up to 4,500,000 in-lbs (500,000 Nm)
  • Local position indicator
  • Open and close stroke adjustments within ±3° min.
  • Frame based on scotch yoke mechanism
  • Hydraulic Cylinder
  • Spring container

Optional features:

  • Hydraulic Manual Override
  • Mechanical Handwheel
  • Low temperature application up to -76° F (-60° C) with fluorosilicone seals and low temperature materials
  • High temperature application up 392° F (200° C) with Viton Seals