UL and CUL Model Pcheck valves 4”/6” are designed for use in wet pipe systems and may beinstalled in the vertical or horizontal position with the appropriate trimpackage
The Model P 4” and 6”alarm check valves are installed between the watersupply and the riser forsprinklers system and open in the event of an activation of the sprinklerssystem in a fire situation or during periodic testing of the system
Trim packages areavailable to connect to a water driven gong and options include electrical orpressure switches which may be used to activate the fire pump and/or send andadditional 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 ANSIB16.5 (150lb) flange