Pre-action & Deluge Valve

Model No.: LF-DV100A & LF-DV150A


  • Simple configuration for easy maintenance
  • No False Alarm
  • Outstanding Durability
  • Anti-corrosive Trim
  • Reliable Operation
  • Field replaceable diaphragm and clapper seat
  • 25 bar (350psi) Hydrostatic test pressure
  • Vertical Installation only
  • Sizes: 4” & 6”


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.

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