Performance and advantages and disadvantages of refrigerant R22 and R134a

General household dehumidifiers and industrial refrigerated dehumidifiers need refrigerant to assist in operation. Household dehumidifiers generally use refrigerant model: R134a, and industrial dehumidifiers generally use refrigerant model: R22. Let’s take a look at them. Performance and advantages and disadvantages.

The properties and advantages of R134a

is one of the most widely used medium and low temperature environmentally friendly refrigerants. It has good comprehensive performance, making it a A very effective and safe alternative to R12 (dichlorodifluoromethane), which can be applied to most areas where R12 refrigerant is used. Advantages: The refrigerant R134a is non-flammable, non-explosive, non-toxic, non-irritating, non-corrosive, and will not cause damage to the ozone layer. Not combustible in the air. Widely used in: refrigerators, freezers, water dispensers, automobile air conditioners, central air conditioners, dehumidifiers, cold storage, commercial refrigeration, ice water machines, ice cream machines, refrigeration condensing units and other refrigeration equipment. Disadvantages: However, because of its relatively high water solubility, it is not good for the refrigeration system. Even if there is a small amount of water, under the action of lubricating oil, it will produce acid, carbon dioxide or carbon monoxide, which will corrode the metal, or produce ' 'Copper plating' function, so R134a requires higher drying and cleaning of the system.

The properties and advantages of R22 R22 is a medium temperature refrigerant, its standard boiling point is -40.8°C, the solubility of water in R22 is very small, and its performance is stable. Burning, non-explosive, non-corrosive.

Disadvantages: R22 has strong penetrating ability, and leakage is difficult to find. Gases that have a destructive effect on the high-altitude ozone layer and the greenhouse effect.

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