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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.060 Water quality>13.060.20 Drinking water>BS EN 13077:2023 - TC Tracked Changes. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B
immediate downloadReleased: 2023-03-15
BS EN 13077:2023 - TC Tracked Changes. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B

BS EN 13077:2023 - TC

Tracked Changes. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B

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Standard number:BS EN 13077:2023 - TC
Pages:58
Released:2023-03-15
ISBN:978 0 539 26335 0
Status:Tracked Changes
DESCRIPTION

BS EN 13077:2023 - TC


This standard BS EN 13077:2023 - TC Tracked Changes. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B is classified in these ICS categories:
  • 13.060.20 Drinking water
This document specifies the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, Type B for nominal flow velocity not exceeding 3 m/s. Air gaps are devices for protection of potable water in water installations from pollution by backflow. This document applies to air gaps in factory-assembled products and to constructed air gaps in situ and specifies requirements and methods to verify and ensure compliance with this document during normal working use. The fluid in the receiving vessel is assumed to have similar properties to water. Where this is not the case, additional care or tests could be required to verify the efficacy of the solution in practical use. The AB device is intended to be used in potable water installations according to EN 806 (all parts).