Wet Alarm Check Valve

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 Wet Alarm Check Valve serves as a check valve by trapping pressurized water above the valve and pre venting reverse flow from sprinkler piping.
The valve is designed to initiate an alarm during a sustained flow of water (such as the flow required by an open sprinkler) by operating an optional water motor alarm and/or alarm pressure switch. External by-pass trim serves to prevent unwanted (false) alarms at lower flows.
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