backflow valve.

backflow valve.

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Universalium. 2010.

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Look at other dictionaries:

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  • backwater valve — a valve for preventing flowing liquid, as sewage, from reversing its direction. Also called backflow valve. * * * …   Universalium

  • backwater valve — a valve for preventing flowing liquid, as sewage, from reversing its direction. Also called backflow valve …   Useful english dictionary

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  • Heart valve — In anatomy, the heart valves are valves in the heart that maintain the unidirectional flow of blood by opening and closing depending on the difference in pressure on each side. The mechanical equivalent of the heart valves would be the reed… …   Wikipedia

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