WET SYSTEM VALVE
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WMA-1 Water Motor Alarm
Hydraulically operated outdoor alarm for reliable audible notification
Listings and Approvals: UL and C-UL Listed, FM, VdS, and LPCB Approved
Pressure Rating: Up to 300 psi (20.7 bar)
Size: ¾ inch (20 mm)
Features
Supplied by dedicated outlet in valve trim line or retard chamber
Corrosion-resistant aluminum alloy gong, gong-mount, and water motor housing
Must be mounted to a rigid wall surface
Furnished with approved ¾-inch (20 mm) Y-strainer for use in alarm line
UL and C-UL Listed; FM, VdS Approved, and LPCB Approved
Uses energy-efficient lightweight impeller design capable of producing a very high sound level
Polymer bearings do not require lubrication
Can accommodate range of wall thicknesses from 2 to 18 inches (50 to 450 mm)
Intended for use with appropriate fire protection system valves (alarm, dry, deluge)
AV-1-300 Alarm Check Valve
- Listings and Approvals: UL and C-UL Listed, FM Approved
- Pressure Rating: 20 to 300 psi (1.4 to 20.7 bar)
- Available Sizes: 2.5 inch (DN65), 4 inch (DN100), 6 inch (DN150), and 8 inch (DN200)
- 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
TFP990
Model AV-1-300 Alarm Valve With and Without Model RC-1 Retard Chamber
European Conformity Valve Trim