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  • Available in Grey only at this time, please ask us about other colours
  • Can be locked in the open or closed position 
(note actual product sold is Grey not white)
  • Can be installed horizontally
(note actual product sold is Grey not white)
  • Installation detail
(note actual product sold is Grey not white)
  • Backflow Flood Protection Valve dimensions

Backflow Flood Protection 50mm Pipes (Grey)

Calculated at checkout

Product Description

DN50 Anti-flooding Backflow Non-Return (Check) Valve NRV with Stainless Steel Faceplate

Backwater anti-flood Valve for installation on to horizontal waste pipes 50mm diameter.

Available in Grey finish only. Please contact us for other colours.

An anti-flooding device that protects interiors from flooding caused by backflow of sewage. Such risk exists most frequently in sanitary drain systems connected to combined and other sewage systems. When it is not possible to install a non return valve within the main drainage to protect the whole building, the 50mm Backwater Non Return valve is the ideal solution.

The non-return valve for 50mm horizontal waste pipework (Version A) is attached to the wall by means of brackets. A non-return valve installed in this way can protect several facilities at the same time if they are connected to the same sewage system such as a bath or shower base traps.

It has a convenient maintenance lever. A small move of the lever stops the flow quickly and efficiently. This allows to protect premises from unpleasant odours in case of a household sewage system being unused for a longer period of time or to close the pipe during maintenance.

Materials: Made from high quality polyproplene in grey with stainless steel anti-rodent flap faceplate.
Colour: Grey only at this time.

Includes fitting instructions.

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