GSO EN 13077:2021
EN 13077:2018
Gulf Standard
Historical
·
Approved on
01 July 2021
Devices to prevent pollution by backflow of potable water– Air gap with non-circular overflow (unrestricted)– Family A - Type B
GSO EN 13077:2021 Files
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GSO EN 13077:2021 Scope
This European Standard 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 European Standard applies to air gaps in factory-assembled products and to constructed air gaps in situ, and defines requirements and methods to verify and ensure compliance with this European Standard during normal working use.
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