Tag Archives: ball valve

Equilibrium ball valve

An equilibrium ball valve is a type of ball valve which utilises the pressure of the incoming water to help close the valve. Contents – equilibrium ball valve Overview Types Overview In a standard ball valve, the incoming water enters … Continue reading

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How to isolate a toilet cistern – overflow or maintenance

Need to isolate a toilet cistern? Whether your loo is overflowing and the ball valve won’t shut off, or you need to isolate the cistern for repair or maintenance, this guide has got you covered. Turn off the isolation valve … Continue reading

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Part 3 ball valve

A Part 3 ball valve or diaphragm ball valve is a ball valve made to British Standard specification 1212, Part 3. It consists of a plunger and a diaphragm washer inside a plastic housing. The plunger is partly visible and protrudes … Continue reading

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Part 2 ball valve

A Part 2 ball valve or diaphragm ball valve is a ball valve made to British Standard specification 1212, Part 2. It consists of a plunger and a diaphragm washer which are both situated inside a brass housing. The plunger is … Continue reading

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Overflow pipe leaking: why is it leaking & how to fix it

An overflow pipe leaking or dripping is due to water entering a cistern when it shouldn’t, either via the ball valve or via the outlet pipes at the bottom. In most cases, it’s due to a faulty ball valve. Overflow … Continue reading

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