Hydrant shoe with backflow prevention assembly

作者: Leo W. Fleury , Mikhail German , Ken Clark

DOI:

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摘要: A fire hydrant system relating to protection of a water supply from contamination. The includes barrel adapted communicate at least indirectly with supply; nozzle extending the barrel; valve controllably regulate communication between and actuator allow actuation valve; cap close off opening; shoe in supply, comprising backflow prevention assembly, wherein can flow through into an open position assembly disc, media cannot enter via when disc is closed position.

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