ÖNORM EN 13077:2023 09 15
Current
Current
The latest, up-to-date edition.
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
Available format(s)
Hardcopy
Language(s)
German - English
Published date
15-09-2023
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.
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