R -744 (carbon dioxide) is a refrigerant designed for industrial and commercial refrigeration applications
It can be used in direct expansion systems, in cascade refrigeration (sub-critical) with HFC or NH3 or HFO booster systems (trans-critical).
Our case studies : R-744 (CO2) 6
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A range of PAG (polyalkylene glycol) oils specifically formulated to operate in CO2 systems (R-744). Zerol RFL-EP oils have excellent thermal stability, and are ideal for subcritical and transcritical operation.
A refrigeration oil designed specifically for the lubrication of compressors using CO2 refrigerant for miscible applications.