Deluge Valve


  • Simple configuration for easy maintenance
  • No False Alarm
  • Outstanding Durability
  • Anti-corrosive Trim
  • Reliable Operation
  • Field replaceable diaphragm and clapper seat
  • Maximum Working Pressure: 175 psi (12 bar)
  • Flange Connection : ANSI B16.1 FF Class 150
  • Hydrostatic Test Pressure: 25 bar (350 psi)



LIFECO Preaction & Deluge Valve with external resetting function is a differential latch type valve which designed for fire protection system. The external resetting feature of the LF-DV valve provides easy resetting of a pre-action system without opening the valve cover for manual repositioning of the clapper and latch mechanism. Actuation of electric system automatically releases the LF-DV valve by allowing water to flow into the sprinkler piping system and to be discharged from any sprinklers that is open.

  • Model LF-DV100A, 4 in. size, vertical installation
  • Model LF-DV150A, 6 in. size, vertical installation