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¿Qué es la conexión cruzada?

Las conexiones cruzadas existen siempre que el sistema de agua potable está o podría estar conectado a cualquier fuente no potable (artefactos o equipos de plomería utilizados en cualquier sistema de plomería). Los contaminantes o los contaminantes pueden ingresar al sistema de agua potable a través de una conexión cruzada incontrolada cuando se produce un reflujo.

Where are Cross-Connections Found?

Cross-connections are found in all plumbing systems. It is important that each cross-connection be identified and evaluated as to the type of back-flow protection required to protect the drinking water supply. Some plumbing fixtures have built-in back-flow protection in the form of a physical air gap. However, most cross connections will need to be controlled through the installation of an approved mechanical back-flow prevention device or assembly. Some common cross-connections found in plumbing and water systems include:

-Wash basins & service sinks

-Hose bibs

-Irrigation sprinkler systems

-Auxiliary water supplies

-Swimming pools/hot tubs

-Photo developing equipment

-Solar heat systems

-Boilers

-Fire sprinkler systems

-Water re-circulating systems

CROSS CONNECTION

SURVEY

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1.Hose bib vacuum breakers are specifically made for portable hoses (ex: garden hose) attached to threaded faucets. Their purpose is to prevent the flow of contaminated water back into the drinking water supply. These devices are not intended for operation under continuous pressure.
2. Backflow prevention assemblies are mechanical devices installed on water services lines (or at plumbing fixtures) to prevent backflow of contaminants into the drinking water supply through cross-connections.

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