Use: hot and cold sanitary water circuits, pressurizing systems, heating systems and refrigeration circuits, pumping systems


  • Horizontal pressure tank with bracket for hydro-pneumatic applications
  • Interchangeable membrane produced according to the DIN 4807 regulation
  • The interchangeable membrane and the PP protection cap prevent the water to come in contact with the tank metallic surface avoiding any type of oxidation process
  • The optional tie rod holds the tank membrane in an optimal position to ensure the correct membrane operation, by balancing workloads and substantially extending the life expectancy of the expansion vessel
  • Also available with stainless steel counterflange and stainless steel tie rod
  • 100% made in Italy
  • Produced according to strict standards established by PED 2014/68/UE and EN 13831 regulations
  • Homologations: WRAS, ACS
  • High level of customization
  • Epoxy powder exterior painting to guarantee a high level of protection against oxidation and a fine aesthetic final quality
  • Accurate and extensive first-rate quality controls during all manufacturing process phases

Horizzontal pressure tanks with interchangeable membrane - AFOSB/AFESB range

  1. Motor mounts
  2. Tank's body (epoxy powder coating)
  3. Feet support
  4. Rubber membrane
  5. Water connection
  6. Counterflange
  7. PP protection cover