DIN Standards Committee Water Practice
EN 14454
Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen - Sicherungsarmatur für Schlauchanschlüsse DN 15 bis DN 32 - Familie H, Typ A
Responsible national committee
NA 003-02-02 AA - Valves for potable water supply in buildings
Responsible european committee
CEN/TC 164/WG 14 - Valves and fitting for buildings and devices to prevent pollution by backflow