BA300 Backflow Preventer


The BA300 Backflow Preventer is designed to protect drinking water systems against back pressure, back flow and back siphonage in residential building, industrial and commercial applications up to liquid category 4. The innovative design makes installation quicker and maintenance time is reduced, as the check valve can be removed easily and one discharge valve is required for all sizes.



  • Ease of installation, and maintenance of components for repeat use
  • Provides protection up to and including liquid category 4
  • Powder coated ductile iron housing provides increased corrosion protection
  • Optiimal protection of the drinking water system supply system
  • Triple security - two check valves and a discharge valve separate the backflow preventer into three pressure zones
  • Easy maintenance due to the optimised construction; no need to remove the valve from pipework
  • Maximum operating temperature 65oC
  • Maximum inlet pressure 10 bar
    • Only one discharge valve required for all sizes


  • DN65 - DN200


  • 1/2"- 2" BSP connections