Flanged alarm check valve (wet alarm valve)

Alarm Check Valve is core element in wet pipe fire sprinkler systems. It serves a dual purpose which prevents a reverse flow of water (non-return), also provides for the use of the water motor gong. Meanwhile, in the event of variable pressure condition, false alarm is prevented with provision of retard chamber at the external bypass.


  • Certificate: UL Listed/ FM Approved
  • Standard: ANSI/ UL 193
  • Connection: Flanged as ANSI B16.1/ EN 1092-2
  • Installation: Vertical
  • Test: Factory hydro test 350 psi (2.4 MPa)
  • Temperature: 4°C to 70°C
  • W. pressure: 175/ 300 psi (1.21/ 2.07 MPa)
  • Surface: FBE coating as AWWA C550
  • Model: V01