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FV Series · Flap Valve

Fernco FV20 Wall Mount Flap Valve

Part # FV20

  • Class 5. Exceeds the leakage rate requirements of DIN 19569-4 Class 5 and BS 7775.
  • Won’t rust. HMWPE won’t rust, pit or seize in tidal, submerged and corrosive outfalls.
  • No sealants. The EPDM co-extrusion seal installs clean, with no added tapes or sealants.
  • 316 stainless. Marine-grade 316 stainless counterweight and hardware.

Product details

Specifications

Documents

Dimensional drawing of fv20-rev2.pdf

Dimensional drawing

FV20, PDF · 119.71 KB

Download
  • Flap Valve Sell Sheet PDF · 2.47 MB
  • Flap Valve Spigot Mount Instructions PDF · 1.92 MB
  • Flap Valve Wall Mount Instructions PDF · 2.23 MB
  • Flap Valves Case Study - Built on a Floor Plain PDF · 936.44 KB
  • Flap Valves Case Study - HMWPE Wall Mounted Flap Valves PDF · 1.11 MB
  • Flap Valves Spigot Mount Submittal Packet PDF · 2.52 MB
  • Flap Valves Technical Booklet PDF · 5.48 MB
  • Flap Valves Wall Mount Submittal Packet PDF · 3.36 MB
  • Installation instructions All products

Compare FV Series sizes

Part Size Pipe OD range (end 1 / end 2)
FV4 4"
FV6 6"
FV8 8"
FV10 10"
FV12 12"
FV14 14"
FV15 15"
FV16 16"
FV18 18"
FV20 (this part) 20"
FV21 21"
FV24 24"

Got questions about the FV20?

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