What does the critical point of gas mean (refrigeration gas; R22, 134a etc..) ? And what is the critical point of R22?

Question added by Mohammed AlHilalie , Operation and Maintenance Manager , Cooperative Real Estate Investment Company
Date Posted: 2016/06/08

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by Tanveer Ahmad , Process Engineer , Jacobs Engineering

Critical point is where the gas changes phase due to high pressure. This eventually means, no more volume changes on compression.

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