Product name Wastop Inline Non Return Valves
Materials Stainless steel
 
 
 

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.

We can also provide stainless steel Wastops flanged at one or both ends for factory fitting to precast headwalls, onto tidal or other outfall walls or inline with existing pipework.


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.

We can also provide stainless steel Wastops flanged at one or both ends for factory fitting to precast headwalls, onto tidal or other outfall walls or inline with existing pipework.


 
 
 
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Althon Ltd
Vulcan Road South
Norwich
NR6 6AF
Tel: 01603 488700
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