Features
- 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 (contact the company for details)
- 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
- Available with European Conformity trim – see technical data sheet TFP990 for details