What is the difference between R22 refrigerant and R410A refrigerant?

R22 refrigerant and R410A refrigerant can be collectively referred to as air-conditioning refrigerants, which can be regarded as the blood of air-conditioning. Excessive or lack of refrigerant will affect the normal operation of air-conditioning. At present, the most widely used refrigerant on the market is R22. , r410a refrigerant. It is also the refrigerant that supplies air conditioners. What is the difference between R22 refrigerant and R410A refrigerant? The following editor will take you to find out!

One of the differences between R22 refrigerant and R410A refrigerant

In terms of name and characteristics:

R22 refrigerant is One of the most widely used refrigerants in the past, the chemical name of R22 refrigerant is difluorochloromethane, which belongs to hydrochlorofluorocarbons. Because R22 refrigerant is very harmful to the ozone layer, the Montreal Protocol stipulates that it will be completely phased out before 2020. Now many manufacturers have stopped producing air conditioners using R22 refrigerant. R410A refrigerant is currently recognized as the most suitable and environmentally friendly refrigerant that can replace R22 in the world. It has been popularized in Europe, America, Japan, my country and other countries. R410A refrigerant is a new type of refrigerant. R410A refrigerant is composed of two quasi-azeotropic mixtures, mainly composed of hydrogen, fluorine and carbon elements. R410A refrigerant has the characteristics of stability, non-toxicity and superior performance. Since R410A refrigerant does not contain chlorine, it will not destroy the ozone layer. And the air conditioning performance using R410A refrigerant will be better.

The second difference between R22 refrigerant and R410A refrigerant

From the performance point of view:

1. R22 refrigerant is single Material refrigerant; R410A refrigerant is a mixture of two different substances, HFC-32 (R32) and HFC-125.

2. R410A refrigerant has a higher vapor density than R22 refrigerant. For systems of the same capacity, the required refrigerant mass flow rate is the same. If the gas piping of the same pipe diameter is used, the vapor flow rate of R410A refrigerant is about 30% slower than that of R22 refrigerant.

3. The operating pressure of R410A refrigerant is about 50~70% higher than that of R22 refrigerant.

Through the above introduction and analysis, we can see that R410A refrigerant has low toxicity and does not burn; and R410A refrigerant does not destroy the ozone layer, while the ozone layer destruction coefficient of R22 refrigerant is 0.05; The overall heat transfer characteristics of the R410A refrigerant system are better than those of R22 refrigerant, which can improve system efficiency and reduce the heat transfer area of u200bu200bthe heat exchanger. These advantages of R410A refrigerant are why R410A refrigerant can replace R22 refrigerant as the most widely used refrigerant.

At present, R22 refrigerant has been gradually replaced. The previous old air conditioners basically used R22 refrigerant, and there will be a mark on the general air conditioner. In recent years, air conditioners have basically used R410A refrigerant. The use and product performance will be more perfect than before, and adapt to the direction of current refrigerants, so R410A refrigerant is the best alternative to R22 refrigerant. selected!

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