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R2 status: no longer in active use, replaced with R458A.

R22 gas cylinder identification: light green.

R22 density: 3.66 g/cm 3, in gas form - this is a colorless gas.

R22 boiling point: -40.8 degree Celsius at atmospheric pressure (sea level or 1 ATM).

R22 alternative names: CHClF 2 Chlorodifluoromethane, Difluoromonochloromethane, generic term: hydrochlorofluorocarbon (HCFC).

R22 temperature/pressure relationship: see the table above.

Bar = atmospheres where 1 Bar = 14.5 psig or normal pressure at sea level.

R-22 Refrigerant Temperature vs Pressure Data R 404A and later R407c may replace R22 in some applications.īelow this table of example refrigerant operating pressures for R-22, we provide links to complete refrigerant pressure/temperature charts as PDF files that you can download free. R22 was phased out in 2010 and is no longer widely available.

R-22 Refrigerant DataĬFCs, ChloroFluoroCarbons - first generation refrigerants like R22 (1950s & later) were widely used in refrigerators and air conditioners. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. We discuss how to diagnose refrigerant pressure problems how to determine the proper refrigerant charge quantity. This air conditioning repair article series explains how overcharging or undercharging of refrigerant in an air conditioner or heat pump is detected and we list the effects of overcharged or undercharged refrigerant. R-22 refrigerant charge quantity for air conditioners & heat pumps:

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