Membrane Expansion Tanks

expansion-tanks-webThe Aira AX Series of Membrane Expansion Tanks are designed for hot and cold water closed circuit applications. The AX Expansion Tanks are suitable for open and closed systems and range in capacity from 12 to 1000 L.


  • 10 Bar working pressure (Above 1000 L)
  • Full expandable replaceable membrane
  • Heavy duty enamel paint finish
  • Protects boiler system from corrosion
  • Easy installation
  • Minimises heat loss from boiler system