alarm valve
HDAlarmValveactsasacheckvalvebytrappingpressurizedwaterabovetheclapperandpreventingreverseflowfromsprinklerpiping.,AlarmValves(SystemControlValves).RapidropBritishManufacturer&SupplierofFireSprinklers&FireSuppressionEquipment.,DelugeAlarmvalvesus...
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Tyco®ModelAV-1-300alarmvalvesaredivided-seatring,rubber-facedclapper,waterflowalarmvalvesthatareintendedforuseinwetpipefireprotection ...
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