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Published byMelissa Sandoval Modified over 3 years ago

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The Pressure / Temperature Chart

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R-134a

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Pressure / Temperature Chart The PT Chart is a TOOL, it will help you determine the Saturation Temperature of the refrigerant in your system. –Once you know the saturation temperature, you are then able to determine the state of the refrigerant in your system!

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Pressure / Temperature Chart What is the Saturation Temperature of the refrigerant on the High Side of a system if the Discharge Pressure is Bar, ( PSIG)? Example:

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R-134a 47.8º C (118° F) is the Saturation Temperature

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