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Norm
ÖNORM EN 14454
Issue date: 2005 09 01
Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A
This document specifies:
a) field of application;
b) requirements for hose union backflow preventer;
c) dimensional and the physico-chemical properties and the propert...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 23 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
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 suitable
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.
ÖNORM EN 14454
2005 09 01
Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to D...
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