BA BM CD Backflow Preventer (for DN15-50)

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
Technical Features
  • 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
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