EN 14454:2005

Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A

Dispositifs de protection contre la pollution de l'eau potable par retour - Disconnecteur d'extrémité DN 15 à DN 32 - Famille H, type A

Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen - Sicherungsarmatur für Schlauchanschlüsse DN 15 bis DN 32 - Familie H, Typ A

Información:

Fecha:

2005-05-18 / Published

ICS:

23.060.01 - Valves in general

13.060.20 - Drinking water

Comité:

6145

Resumen:

This document specifies: a) field of application; b) requirements for hose union backflow preventer; c) dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of hose union backflow preventers DN 15 to DN 32; d) test method and requirements for verifying these properties; e) marking and presentation; f) acoustics. This document specifies the characteristics of hose union backflow preventers DN 15 to DN 32 that are suit-able for use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 °C and for 1 h at 90 °C.

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