BA BM CD Backflow Preventer (for DN15-50)
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BA BM CD Backflow Preventer (for DN15-50)
BA BM CD Backflow Preventer (for DN15-50)
Description
The BA BM CD is a Backflow preventer with verifiable reduced pressure zone with angled funnel for vertical descending installations Designed to protect drinking water supply networks against the backflow of risk fluids up to category 4 according to EN1717. The BA BM CD backflow preventer protects the drinking water network by interrupting the continuity of the supply, emptying and evacuating to waste in case of danger of water being turned back into the main pipeline. - Easy maintenance thanks to modular sub-sets - Piston technology on the relief valve, without membrane : easy mounting/dismantling, reinforced longevity - Compact design and space-saving - Reduced head losses - High quality materials
- Operating temperature: max. 65 °C
- Permissible operating pressure(PFA) in water 10 bar
- Connection: Male threaded union nuts (BSP)
- Mediums: Drinking water
It is compulsory put upstream Y strainer with drain cock
Technical Features
Part no.
| Part number | DN mm | DN” | Connection | Box/ Carton |
| 149B70018 | 15 | 1/2 | Threaded MM | 1 |
| 149B70019 | 20 | 3/4 | Threaded MM | 1 |
| 149B70020 | 25 | 1 | Threaded MM | 1 |
| 149B70021 | 32 | 1 1/4 | Threaded MM | 1 |
| 149B70022 | 40 | 1 1/2 | Threaded MM | 1 |
| 149B70023 | 50 | 2 | Threaded MM | 1 |
