Flange standard: EN1092-2, ANSI B16.1
Connection: flanged end
Seal: Rubber/Metal
Pressure: PN10, PN16, 125LB, 150LB
Size：DN40 – 600(1-1/2”-24”)
Flap Valve
One-way valves that are put at the open end of a pipeline or culvert are known as flap valves. Their function is to allow downstream water to depart the pipe through a one-way flap door while preventing rising water levels outside the pipe from entering the pipe and flooding the protected area.
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