Bladder expansion vessels 

Maximum service pressure: 8-10 Bar
Pre-charge: 2,5 Bar
Gas: Air

Service temperature: -10ºC / 100ºC
Water connection: See data sheets

Closed solar energy systems

  • Special bladder that withstands temperature peaks of 130ºC for one hour
  • For a greater safety is recommended to install an intermediate temperature dissipating vessel
  • Water connection: galvanized (From 5 to 100 litres) and brass waterconnection (from 220 to 1000 litres)
  • Suitable for use with antifreeze up to 50%
  • White epoxy powder coating
  • Manufactured according to Directive 2014/68/UE


+34 946 74 04 00


Plentzia Bidea, 3 (Billela Auzotegia)
48100 MUNGIA-Apartado21-
Bizkaia – España

All categories

Hydropneumatic accumulators

Anti water hammer vessels

Expansion vessels

Automatic pressurization systems

Buffer storage tanks

Hydraulic compensators

Air and dirt separators

Compressed air tanks