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DIN EN 12729:2023-07
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A; German version EN 12729:2023
| Fecha edición: |
2023-07-01
En Vigor
|
|---|---|
| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | The purpose of this standard is to define - the field of application; - the dimensional, physico-chemical, design, hydraulic, mechanical and acoustic characteristics; - the working and the prescriptions for the tests to check , these characteristics; - the marking and the presentation. To be adhered to for reduced pressure principle backflow preventers, controllable BA. |
| Keywords: | Anti-siphonage systems|Backflow check valve|Backflow preventers|Definitions|Design|Drinking water supply|Isolators|Marking|Nominal widths|Permanent load|Pressure|Pressure variation|Print-span|Properties|Rated pressure|Specification (approval)|Testing|Valves|Water supply |
| ICS: | 91.140.60 - Sistemas de abastecimiento de agua, 13.060.20 - Agua potable |
| CTN: | |
|
Equivalencia Internacional |
Idéntica EN 12729:2023 |
|
Reemplazo Normas |
Reemplaza a DIN EN 12729:2003-02 Reemplaza a DIN EN 12729:2020-07 Reemplaza a DIN EN 12729 Berichtigung 1:2009-04 |
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