XDV-UDH – Knife Gate Valves

The AVFI XDV-UHD Series is a robust uni-directional stainless steel knife gate valve suitable for a wide range of industries including water and waste water, mining, pulp and paper, and aquaculture applications.

AVFI XDV-UHD Series Knife Gate Valves


  • Special L shaped replacable seat
  • Roller bearings in SS housing on all sizes
  • Fully lugged to suit AS4087 CL16
  • Stainless steel stem protection tube included
  • Gearbox included on DN450 and above
  • Stainless steel safety guards included on all sizes
  • Special adjustable gate guide ensures no leakage
  • Viton seat as standard
  • Temperature range up to 260˚C (depending on seat)


  • Bi-directional version
  • WCB or Duplex body
  • Wafer type body
  • EPDM, NBR, PTFE or metal seat
  • Electric or pneumatic actuator
  • Non-rising stem
  • Limit Switches
  • Chain wheel
  • Anti-clockwise close
  • Extensions