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Norm

ÖNORM EN 13433

Issue date: 2006 08 01

Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A

This European Standard specifies, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical and the acoustic characteristics of mechanical disconn...
Withdrawn: 2013 04 15
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 27 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This European Standard specifies, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical and the acoustic characteristics of mechanical disconnector, direct actuated Family G, type A. This European Standard is applicable to mechanical disconnector direct actuated in nominal sizes DN 8 up to DN 250, intended to prevent the return of water having lost its original sanitary and drinking qualities (called "polluted water" in this European Standard), into the potable water distribution system whenever the pressure of the latter is temporarily lower than in the polluted circuit. This European Standard covers the mechanical disconnector direct actuated of PN 10 that are capable of working without modification or adjustment: at any pressure up to 1 MPa (10 bar); with any pressure variation up to 1 MPa (10 bar); in permanent duty at a limit temperature of 65 °C and 90 °C for 1 h maximum. It specifies also the test methods and requirements for verifying these characteristics, the marking and the presentation at delivery.
ÖNORM EN 13433
2006 08 01
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated...
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