WATERMAN PF-25F and PF-25W PUMP DISCHARGE FLAP VALVES are free-opening, tight-closing valves available at a modest price. They are offered in various styles to fit most installation needs. Available with an aluminum or cast iron cover, these valves feature a positive 7.5 degree seating seal and a choice of neoprene, iron, or bronze seats. The body is constructed of sturdy cast iron, with brass hinge bars, bearing washers, and cotter pins. Positive stops prevent jamming.
Compression style pipe connection available for 4″ – 14″ sizes (PF-25W)
Flange style mount (ANSI 125#) available for 4″ – 24″ sizes (PF-25F)