Stratified Cylinder "Oskar"

[Collie]

Hi there guys. Can anyone tell me anything about stratified storage cylinders? Any experience installing these? or how they perform?
The particular one im interested in is the "oskar" by a company called Ratio Therm.

[chemi-cool]

Start by reading this paper. There is a lot of stuff on the web.
http://www.tdr.cesca.es/TESIS_UPC/AVAILABLE/TDX-0516107-101731//02Irp02de02.pdf