Refrigerant for centrifugal compressors

Details Refrigerant for centrifugal compressors Refrigerant for centrifugal compressors

2006-01-31

2006-01-31

Hardee, John R. (Department: 1751)

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

Reexamination Certificate

active

06991743

ABSTRACT:
A refrigerant comprising:a hydrofluorocarbon component comprising a mixture of: R134a, R227ea and optionally R125,and not more than 6.5% of a hydrocarbon component;wherein the amount of R227ea and R125 if present, is at least 35% of the hydrofluorocarbon component.

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