Specifications

  • Size Range: 
    4" - 24"
  • Seating Head:
    Up to 25 feet
  • Seat Angle:
    7.5 degrees
  • Frame & Cover Materials:
    Cast Iron ASTM A-126 Class B
  • Mounting:
    Flange Mount
  • Seat Materials:
    Neoprene ASTM D-2000
  • Flange Drilling:
    ANSI/AWWA C110, C111 (125-lb standard)
  • Hinge Bushings:
    Not applicable
  • Assembly Hardware:
    Stainless Steel ASTM F-593 & F-594, Type 304 or Type 316
  • Hinge Pin & Hinge Link:
    Stainless Steel ASTM A-276, Type 304 Standard or Type 316

Features & Benefits

PF-25 flap valves are free-opening, tight-closing valves available at a modest price.  These valves feature a positive 7.5 degree seating angle, and neoprene to metal seat. 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)