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Posted: Wednesday 12th March 2014

C.S.G Valves and Actuation, one of the UK's leading suppliers of quality civil engineering products, has introduced a range of Wafer Check Valves (WCV) into its growing portfolio of products for the water industry.

The configuration of the WCV is significantly smaller, and weighs less than traditional full bodied flange valves, one of the benefits of this smaller and more compact design means it is less expensive than the conventional swing check type valve.

The WCV is increasingly popular with industrial engineers; as well as being economical, they take up much less space in the system's process, they are easy to install, offer a tight shut off and have an excellent track record for reliability.

Wafer Check Valve

The WCV operates by the flow of the fluid passing through the system, forcing the two plates/doors to open allowing flow through the valve. Reverse flow causes the plates to shut against the seat, and in the absence of flow the weight of the disc and stainless steel springs forces the valve to close.

WCVs are suitable for a wide range of industrial processing applications, but offer optimum performance in final effluent and air systems, and given their WRAS approval are suitable in potable water systems.

Typically, WCVs only allows fluid or gas to flow through in one direction, and are widely used as a backflow prevention device to keep contaminated water from siphoning back into municipal water supply lines. They are also used in rainwater harvesting systems that are plumbed into the main water supply of a utility provider, fitted to prevent contamination of the primary supply by rainwater.

Dave Warner, CSG Divisional Manager commented:

"We have had a lot of interest in the WCVs, which are a relatively new product in our portfolio. It offers a very high performance and cost effective solution across a variety of industries and media. Before installation engineers should consider the properties of the fluid or gas they are working with, as well as the fluid velocity and turbulence which will help determine which type of valve is most appropriate."

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