Alarm Check Valve
300 psi (20,7 bar) 2-1/2″ to 8” (DN65 to DN200)
Vertical or Horizontal* Installation
Features:
- Sizes 2-1/2″ thru 8” (DN65 thru DN200)
- AV-1 Alarm Valves may be installed vertically or horizontally
- Groove x Groove, Flange x Flange, Flange x Groove Alarm Valves are divided seat ring, rubber-faced clapper, check type, water flow alarm valves
- For use in wet pipe (automatic sprinkler) fire protection systems
- Automatically actuates electrically and/or hydraulically operated alarms when there is a steady flow equivalent to the discharge rate for one or more sprinklers
- Optional Retard Chamber used in installations subject to variable pressure (generally associated with public water supplies) to help prevent false alarms
- Available pre-assembled with modular trim to provide a quick and convenient method for trimming valve risers. Contact TFP for details
- Working water pressure range is 20 to 300 psi (1,4 to 20,7 bar)
- Listings and Approvals: UL, C-UL, & FM