4 in. Ductile Iron Flanged x Grooved Sprinkler Check Valve
Model AV-1-300 4 in. Ductile Iron Flanged x Grooved Sprinkler Check Valve
Package Quantity Info:
Each: 1 Inner Pack: 1 Case: 100Product Details
Product Description
- AV-1 alarm valves may be installed vertically or horizontally
- Automatically actuates electrically and/or hydraulically operated alarms when there is a steady flow equivalent to the discharge rate for one or more sprinklers
- Available preassembled with modular trim to provide a quick and convenient method for trimming valve risers
- For use in wet pipe (automatic sprinkler) fire protection systems
- Optional retard chamber used in installations subject to variable pressure (generally associated with public water supplies) to help prevent false alarms