Tag Archives: R22 refrigerant

R22 phase out dates

Hole in ozone layer is discovered over Antarctica in 1985.Because of this hole, Ultraviolet light can reach the earth and harm both the humans (skin cancer) and plants. In 1987, USA and other developed nations signed Montreal Protocol as an effort to protect ozone layer by reducing the use of CFC and HCFC .In 1993, the Schedule to end CFC and HCFC are announced. The production of CFC ended on 1996 and all ozone depleting substances (HCFC including R22) will face a complete ban on 2030.

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Pressure Temperature Charts for R410A, R22 and R134A refrigerants

Pressure temperature chart or PT chart is one of the most important tool to evaluate system performance or diagnose problems.Technicians can use it along with metering
gauges to check the proper functioning of Air conditioner (AC) Systems .Below you can see the PT charts of most important refrigerants :
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