NAPAN Flap Valve

NAPAN flap valve protects against backflow of water in the sewage systems.

NAPAN flap valve is manufactured in 4 various versions, each with 6 different applications.


Uses of flap valves

NAPAN Flap Valve protects houses and property against flooding from the backflow of waste waters. This allows homeowners and property owners to avoid water in their basement during heavy rains.

In the absence of water flow this product also functions as a rat barrier.

The backflow-stop valve comes in dimensions according to the pipe it is to be installed onto, and in versions for installation:

  • Into a pipe socket
  • Onto a PVC pipe
  • Into PVC and other types of pipes (incl. concrete etc.)

NAPAN recommends performing an annual inspection of your Flap Valve.

Napan Back Flow Valves
    • Contact

      Sejma Industries
      Bommen 22
      8620 Kjellerup

      Tlf: +45 9754 8599

    • Climate-proofing with NAPAN

      Climate change requires climate adaptation, and NAPAN is one of the front-runners when it comes to protecting low-lying buildings and basements from flooding as a result of heavy rains and back flows in the sewage systems.