Flushometer valve

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Terms & Synonyms

Official WHO Definition

A device activated by direct water pressure to discharge a predetermined quantity of water to fixtures for flushing purposes (WHO 2006).A flushometer valve is sometimes referred to as a flushing valve, is a water control device which measures the volume of water which passes through the device each time it is operated for flushing a sanitary plumbing fixture (Doyle 1990).

Other Definitions

Contents

Interpretations and Explanations

A flushometer valve is a water control device which delivers a predetermined volume of water to a sanitary fixture for the purpose of clearing the fixture of any waste matter. It can be connected to the water supply indirectly through a header tank, called a flush tank. Some valves can be connected directly to a pressurised drinking water supply. If the flush valve is connected to the drinking water supply, the valve incorporates a vacuum breaker designed to prevent any back flow contamination. The outlet of the valve is connected to the plumbing fixture by a flush pipe (World Plumbing Council Working Group 2008 and Doyle 1990).The flush volume is pre-set, and delivers a measured flush; the term "flush meter" distinguishes this appliance from the flushing valve used in a common cistern (World Plumbing Council Working Group 2008).

References

WHO (2006) Health aspects of plumbing Doyle KM (1990)  Gasfitting Volume 2. Published by the Plumbing Gasfitting & Drainlaying Industry Training Organisation  New Zealand.


WHO Lexicon page (translations and examples)


See also

External Resources

Attachments

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