Search by:

8100 Series

Available in threaded inlet sizes from 3/4” through 2”

Available in orifice sizes “E” and “G”

8100 Series


  • Designed with “Auto Seat Technology”
  • Consistent set pressures allowing repeatable uses without repair or resetting
  • Open, close, seat and seal
  • Fully guided disk keeps the disk properly aligned, opening and closing, helping to reseat the valve
  • Mechanical stop prevents wear on parts and controls valve lift
  • Low rated and fully guided spring allows for more consistent set pressures from pop to pop
  • Pop action relief allows valve to go to full lift at set pressure. Helps with DOT regulated applications.
  • Built in accordance with the requirements of ASME boiler pressure vessel code.
  • Non-rising stems allowing valves to be installed in small areas