EX Type

• • High Temperature

  • Up to 816°C / 1500℉
  • No internal gasket
  • Design advantages for thermal expansion

• Cryogenic Service

  • LNG plant
  • Positive isolation of liquefied gases.(Nitrogen, Oxygen, Ethylene, Natural gas)
  • Safe sealing at -196°C ( -320.8℉)
  • No dead space / full-bore design

• Slurry / Polymer

  • No parts contact with fluid except blind plate
  • No dead space / full-bore design
  • Stick free mechanism against hardened polymer / slurry

• FCC/ RFCC

  • Suitable for the high temperature up to 816°C ( 1500℉. )
  • Positive sealing under the catalyst particles with gases
  • Enclosed body design depend on application

• Flare gas / COG / BFG / Carbon black

  • Open body or enclosed body depend on application
  • Positive isolation under residue deposition
  • Elastic sealing (Low temperature) Metal sealing (High temperature)

• Ethylene Plant

  • Feed stock, Decocking air, Steam, Ethane, Quench oil, Fuel gas line
  • Quick blind for Batch operation
  • High temperature up to 816°C (1500℉.)

• Acid / Chlorine

  • PTFE / PFA lining for all wetted part
  • Perfect gas tightness with elastic sealing
  • Open body or enclosed body depend on application

1) Before turning the handwheel to change the blind plate position, internal pressure of the valve must be drained and be sure no pressure(Zero).
2) Unlock locking device for turn to handwheel
3) To change the blind plate position, turn the handwheel clockwise until indicator reaches to “Open” mark.
4) When indicator is on “open” mark, change the blind plate position to open or close.
5) After change the blind plate position, turn the handwheel counter-clockwise until indicator reaches to “Close” mark to tighten the seat.
6) Lock locking device for can’t use ahourized person