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CO2 Phase changes

One of the natural alternatives to existing refrigerants is CO2.

Watch the phase-shifts of CO2 recorded at the Danfoss Refrigeration R&D Laboratory, and follow the fascinating transition between solid, liquid and vapor phases in the pressure chamber and the behavior in the supercritical region.
Windows Media Player can be used for playing the movie.
Danfoss - Your CO2 Solutions Provider

Danfoss - Your CO2 Solution Provider

CO2 has absolutely zero ozone depletion effect, and its global warming potential is negligible in the amounts used for industrial and commercial refrigeration.

Danfoss can provide a variety of products for cascade applications, as well as developing trans-critical solutions.