Characteristics and application of R502 and R507 refrigerants

Today, I will introduce you to R502 refrigerant and R507 refrigerant. As before, in this article we will mainly introduce their characteristics and scope of application. Welcome to pay attention:

1. The characteristics and application scope of R502 refrigerant

1. R502 refrigerant is a kind of high refrigeration capacity and fast cooling speed, etc. Low-temperature refrigeration working fluid with excellent refrigeration performance;

2. R502 refrigerant is mainly used in refrigerators and low-temperature refrigeration compressors and other low-temperature refrigerants;

3. R502 refrigeration The refrigerant is a mixed refrigerant, which is made by mixing R125 refrigerant and R143 refrigerant in proportion. It is an environmentally friendly refrigerant that will not destroy the ozone layer. It is often used in medium and low temperature commercial refrigeration systems.

4. The molecular weight of R502 refrigerant is 111.6, its molar mass is 111.6g/mol, its critical temperature is 80℃, its critical pressure is 3.9MPa, its critical density is 0.5668g/cm3, and its boiling point is- 45.6℃;

2. Characteristics and application range of R507 refrigerant

1. Like r404a refrigerant, R507 refrigerant is also used to replace R502 It is a refrigerant, but the temperature reached by R507 is lower than that of 404A. Its mole percentage is 41.184% for R125 and 58.816% for R143A.

2. R507 refrigerant is more suitable for low-temperature new commercial refrigeration equipment, quality assurance equipment, mobile refrigeration equipment and marine refrigeration equipment, etc.; all refrigeration environments applicable to R502 can use R507, and R507 also It can be used as a foaming agent for foam plastics to replace R12;

3. R507 refrigerant is also known as HFC-507, its molecular weight is 99, the standard boiling point is -46.8℃, and the critical temperature is 71 ℃;

4. The critical pressure of R507 refrigerant is 3.7MPa (absolute pressure), and the critical density is 0.488g/cm3;

5. Its CAS number is 354-33 -6/420-46-2, the destruction potential of ozone is 0 at ODP, and the global warming coefficient GWP is 3985;

About the characteristics and characteristics of R502 and R507 refrigerants The respective applications have been introduced for everyone, and I will continue to introduce other related content later. Welcome to continue to pay attention!

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