WATERMAN PF-25F and PF-25W PUMP DISCHARGE FLAP VALVES are free-opening, tight-closing valves available at a modest price. These valves feature a positive 7.5 degree seating angle, and a choice of neoprene or bronze seats. The body is constructed of sturdy cast iron, with stainless steel hinge bars, bearing washers, and cotter pins. Positive stops prevent jamming.
Flange style mount (ANSI 125#) available for 4″ – 24″ sizes (PF-25F)
Compression style pipe connection available for 4″ – 14″ sizes (PF-25W)