UL and CUL Model P check valves 4”/6” are designed for use in wet pipe systems and may be installed in the vertical or horizontal position with the appropriate trim package
The Model P 4” and 6” alarm check valves are installed between the watersupply and the riser for sprinklers system and open in the event of an activation of the sprinklers system in a fire situation or during periodic testing of the system
Trim packages are available to connect to a water driven gong and options include electrical or pressure switches which may be used to activate the fire pump and/or send and additional signal to monitoring or alarm devices
Water working pressure rating 175 psig (12.3 bar)
Factory hydrostatic test pressure 350 psig (24.6 bar)
US standard flanged inlet and outlet mate with ANSI B16.5 (150lb) flange
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