Superseded
Standard
Historical
NBN EN 12729:2003
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
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Summary
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.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 02/14/2003 |
| Cancellation Date | 05/31/2003 |
| Page Count | 26 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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