Ibaiondo SMR model solar energy expansion vessel
Closed systems of solar energy
Features of Ibaiondo's SMR model solar energy expansion vessels:
- Membrane expansion vessels for closed solar energy systems.
- Material: Steel.
- Replaceable membrane, according to EN 13831, specially designed to withstand temperature peaks of up to 130ºC for one hour.
- It is recommended to install an intermediate VI temperature dissipating vessel.
- Water connection in galvanized steel (R 1”).
- Suitable for use with antifreeze up to 50%. Inflation valve.
- Pre-charge gas: Air.
- Exterior finish using white paint.
- Manufactured in accordance with Directive 2014/68/EU.
- 2-year warranty
Models of the Ibaiondo SMR solar energy expansion vessel available:


* Models from 220l. available upon request.