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Flomatic Ductile Iron 2" (80DI) Check Valve

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Flomatic Ductile Iron 2" (80DI) Check Valve

Flomatic's 2" ductile iron spring check valve is one of the most popular valves in the water well industry today. They are specifically designed for use with submersible pumps or other applications where it is necessary for the check valve to be installed in the well casing.

The 80DI series valves will provide excellent service in any application where a conventional check valve is recommended and is vertically mounted. Flomatic Corporation manufactures Cast Iron Check Valves with high strength epoxy coated ductile iron body, disc and follower with threaded female x female connection.

  • High strength epoxy coated ductile iron body, disc and follower.
  • Nitrile Buna-N seal.
  • Stainless steel spring and spring fasteners.
  • Max Temperature 180°F (80°C).
  • Max Pressure 400 PSI.
  • Thread Sealants: Teflon Tape or Paste?

    Teflon tape is a quick and clean way to seal threads in most applications. When applying Teflon tape, care must be taken to apply the tape correctly or leaking may still occur. You should wrap the thread 2-3 times around the threads in a counter-clockwise direction so that the tape doesn't bunch up when it is screwed into the pipe. Do not over tighten, as this may cause the tape to become thin or break in spots, while under tightening may allow water through.

    For professional, long-term or industrial applications, Teflon paste, although messy and more difficult to apply, will provide a more reliable seal that won't leak if the plastic pipe distorts over time. Teflon paste should be applied to both the male and female threads.

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