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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.060 Water quality>13.060.20 Drinking water>23/30471506 DC BS EN 1717. Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow
immediate downloadReleased: 2023-06-01
23/30471506 DC BS EN 1717. Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow

23/30471506 DC

BS EN 1717. Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow

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Standard number:23/30471506 DC
Pages:68
Released:2023-06-01
Status:Draft for Comment
DESCRIPTION

23/30471506 DC


This standard 23/30471506 DC BS EN 1717. Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow is classified in these ICS categories:
  • 13.060.20 Drinking water
  • 91.140.60 Water supply systems
  • 23.060.01 Valves in general
This document specifies a methodology for protecting potable water in potable water installations within and outside buildings but within premises from the risk of pollution by backflow of non-potable water and gives recommendations on the design, risk analysis, backflow prevention devices and their installation methods. This methodology is also intended to be used outside premises for all potable water systems connected to a potable water distribution system up to and including the point of use. The product standards for the specific backflow prevention devices or arrangements are intended to be used in conjunction with this document. In the absence of a product standard, this document is intended to be used as a reference to draw up a specification for the development of new devices or arrangements.