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BSI BS EN 13077:2023

Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B
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BSI BS EN 13077:2023

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

PUBLISH DATE 2023
PAGES 22
BSI BS EN 13077:2023
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).
SDO BSI: British Standards Institution
Document Number EN 13077
Publication Date March 9, 2023
Language en - English
Page Count 22
Revision Level
Supercedes
Committee B/504/-/14
Publish Date Document Id Type View
March 9, 2023 BS EN 13077:2023 Revision
April 13, 2018 BS EN 13077:2018 Revision
July 31, 2008 BS EN 13077:2008 Revision
Dec. 4, 2003 BS EN 13077:2003 Revision