Viking® Model J-1 Alarm Check Valve, Flange x Flange, 4", Valve Only No Trim, 08238 14315M/B 60-973-9-120

60-973-9-120

60-971-2-360

286 Degree 23877AGG Fire Sprinkler Head

Depth - 1 1/8"

Viking® Model J-1 Alarm Check Valve, Flange x Flange, 4", Valve Only No Trim, 08238 14315M/B 60-973-9-120The Viking Model J 1 Alarm Check Valve serves as a check valve by trapping pressurized water above the clapper and preventing 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. The valve is made suitable for use on variable pressure water supplies by adding the optional