Difference between revisions of "Backflow"
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Revision as of 10:17, 10 February 2017
- Movement of the fluid from downstream to upstream within an installation
- Flow in a direction contrary to the normal or intended direction of flow.
- The unintended flow of water from a potentially polluted source into a potable water supply.
References
- BS EN 1717 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
- AS/ NZS 3500.0:2003 Plumbing and Drainage
