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About

Althon design and manufacture precast concrete headwalls to meet Sewers for Adoption and Severn Trent Guidelines. Our product range includes flap valves, penstocks and stop logs as well as trash screens and outfall safety grilles. Althon also manufacture precast concrete penstock chambers and offer a large range of commercial and industrial application drainage channels.

Contact


Mag Group Building
Vulcan Road South
Norwich
UK
NR6 6AF
www.althon.co.uk/

Wastop Inline Non Return Valves

Wastop valves are inline backflow and flood prevention valves.

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Wastop Inline Non Return Valves

Wastop valves are inline backflow and flood prevention valves. WaStop inline non return valves (NRV) are made up of either a stainless steel grade 304 or 316 incorporating a cone-shaped chloroprene membrane. The membrane allows flow to pass in the desired direction but when backflow occurs the membrane fills out and seals the pipe.

WaStops do not rely on gravity to close the membrane and do not need to be fitted against a vertical headwall. This means that it can be installed in any plane or inline between two pipes. The WaStop is available in a number of standard sizes suitable for up to 8MwC. Special sizes and pressures are available on request. For more information on our WaStop valves please visit our website.



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