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Check Valve
Check Valve

Check Valve

When you want to prevent backflow in any system, a reliable backflow or check valve won’t let you down. BES has a top range available in a choice of single, double, and swing check valve options. They are made from either brass or DZR with compression or BSP connections.

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The right check valve for every job

With such a wide selection of check valves in different styles, you may wonder which is right for you. Traditionally, the valve you need will come under one of these three types:

Single Check Valves

Helping prevent simple aesthetic changes due to contamination (think taste or smell), single check valves are typically used internally in systems.

Double Check Valves

Best suited for preventing contamination, especially in systems where disinfectants are used or you rely on hot water, double check valves will be needed if you’re working with a Fluid Category 3 system.

Swing Check Valves

Great when dealing with upward flows, a reliable swing check valve utilises the weight of the disc inside to block reverse flows.

Almost all check valves are made from brass, as it provides excellent corrosion resistance, although it is possible to get polyethylene check valves too.

Should I buy a single or double check valve?

For the likes of your washing machine or shower, a single check valve should do the job, as they simply rely on a one-way system to prevent water from re-entering a system. For something like your garden tap, a double check valve is ideal in the event of negative water pressure after use.

Are backflows and check valves the same?

While both have the same function, and some people use the terms interchangeably, there are some slight differences to be aware of. Check valves will check/block water coming back through with a hinge system. Backflows use pressure to prevent water returning.

Need help figuring out what valve you need?

Check valves can be used in everything from home heating to the garden tap. If you’re shopping for a replacement check valve for domestic works and aren’t sure which valve to get, get in touch, and we may be able to help. 

Valves and fittings delivered when you need them

Remember that BES offers fast delivery on orders, with FREE delivery on qualifying orders. With over 45 years of experience, we help customers get valves and fittings at their door and ready for installation in no time.

If you have a question about any of the products on this page, please get in touch and we’ll gladly assist.

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