The 160mm/110mm Non-Return Valve is the UK’s only adaptable non-return valve that gives the benefit of passive protection due to the integral self-activating flap powered by the flood water.
Under normal operating conditions the 160mm/110mm Non-Return Valve is fully open allowing solids to flow freely and unrestricted through the valve. In flood conditions when water surges back through the drainage system the gate is automatically deployed by the hydraulic pressure of the water. The gate is sealed against a neoprene gasket and this prevents backflow past the gate.
Specification Details for 160mm - 110mm Non-Return Valve (Drainage Pipes)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that M3 Floodtec is consulted before specifying.
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