Dutco Tennant LLC provides Flap valves which are designed to operate under very low water heads, in gravity flow applications, and at ambient temperature conditions between -65° and +85° C. The valve prevents back flow of water via a spring-loaded or weighted flap kept across a pipe opening, tube or duct.
In our Flap Valves, the flap and back plate are made using HDPE, with a stainless steel 316 hinge-pin, counterweight and attachments. As the HDPE has specific gravity, a stainless steel counterweight is provided to ensure closure when back-pressure is present; however low heads of water are needed to open the flap. It has such design that the counterweight balances the flap accurately.
Our Flap Valve has a lip seal, to offer seal between the frame and flap, and also there is a self-adhesive neoprene seal to place between the wall and the frame, which is there to prevent leakage.
Our company offers wall-mounted Flap valves which are till 1000 mm in size and spigot-mounted Flap valves till 600 mm. We provide Flange-mounted, Tidal Flap valves, and other Flap valves on request.
Primary benefits of using our products: