4"/110mm Buffalo Non Return Valve

Model:  NRV100

4"/110mm Buffalo Non Return Valve

• Stops backflow of effluent into properties, businesses and homes during flooding. Used extensively in properties on flood plains.
• The flap has an inbuilt stainless steel plate to stop rodents biting through, providing efficient pest control.
• Stops rodents, frogs, snakes and other vermin from entering homes, businesses and other properties.
• Also prevents noxious fumes from entering properties. Ideally suited to the food and catering sector.
• A lockable flap allows you to close down entry pipes to inspection chambers to allow essential maintenance to be carried out.
• The valve is completely re-usable when used for maintenance purposes.  The valve can be inserted while work is carried out then removed and used again.
• Unique funnel shaped body design means the flow of water is increased when passing through the unit; reducing blockages
• Fits both Clay and Plastic pipes.
• 5 Year Manufacturers Guarantee
• The valve can open on a 45 degree bend due to its unique flap design.
• WRc Tested and Certified