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NBN 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
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Summary
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.
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.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 07/08/2005 |
| Cancellation Date | 11/30/2005 |
| Page Count | 25 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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