Tag Archives for Refrigerants

Calcium Chloride Refrigerants

Calcium chloride (CaCl2) is used only in commercial refrigeration plants. Calcium chloride is used as a simple carrying medium for refrigeration. Brine systems are used in large installations where there is danger of leakage. They are used also where the … Continue reading

05. January 2011 by admin
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Carbon Dioxide Refrigerants

Carbon dioxide (CO2) is a colorless gas at ordinary temperatures. It has a slight odor and an acid taste. Carbon dioxide is nonexplosive and nonflammable. It has a boiling point of 5°F (?15°C). Apressure of over 300 psi is required … Continue reading

05. January 2011 by admin
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Ammonia Refrigerants

Ammonia (NH3) is used most frequently in large industrial plants. Freezers for packing houses usually employ ammonia as a refrigerant. It is a gas with a very noticeable odor. Even a small leak can be detected with the nose. Its … Continue reading

05. January 2011 by admin
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Methyl Chloride Refrigerants

Methyl chloride (CHP) has a boiling point of ?10.6°F (?23.3°C). It also has heat of vaporization at boiling point (at l atm) of 177.8 Btu/lb. It is a good refrigerant. However, because it will burn under some conditions some cities … Continue reading

05. January 2011 by admin
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Sulfur Dioxide Refrigerants

Sulfur dioxide (SO2) is a colorless gas or liquid. It is toxic, with a very pungent odor. When sulfur is burned in air, sulfur dioxide is formed. When sulfur dioxide combines with water it produces sulfuric and sulfurous acids. These … Continue reading

05. January 2011 by admin
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Classification of Refrigerants

Refrigerants are classified according to their manner of absorption or extraction of heat from substances to be refrigerated. The classifications can be broken down into class 1, class 2, and class 3. Class 1 refrigerants are used in the standard … Continue reading

05. January 2011 by admin
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HVAC Refrigerants

Refrigerants are used in the process of refrigeration. Refrigeration is a process whereby heat is removed from a substance or a space. A refrigerant is a substance that picks up latent heat when the substance evaporates from a liquid to … Continue reading

05. January 2011 by admin
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