
Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B.
NORMA vydaná dňa 9.3.2023
Designation standards: BS EN 13077:2023
Publication date standards: 9.3.2023
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: British technical standard
Kategória: Technické normy BS
ISBN: 978 0 539 18707 6 Status: Definitive