Summary of common problems of R134A refrigerant? 【】
1. What are the advantages and disadvantages of R134A refrigerant compared to R22?
First of all, R134A is mainly used as a refrigerant for automobiles and household refrigerators. It is a new type of fluorine-free refrigerant, while R22 is mainly used as a refrigerant for household air conditioners and cold storage, which pollutes the air. Be eliminated.
2. Which refrigerant is better for refrigeration, r134a or r22?
R134a (1,1,1,2-tetrafluoroethane) is one of the most widely used medium and low temperature environmental protection refrigerants. It has good comprehensive performance, making it a very effective and A safe alternative to R12 (dichlorodifluoromethane) can be used in most areas where R12 refrigerant is used. R22 is a colorless, almost odorless gas at room temperature, non-flammable, non-explosive, non-corrosive, and slightly more toxic than R12, but it is still a safe refrigerant and is classified as A1.
Compared between the two, from an environmental point of view, the refrigerant R134a is more environmentally friendly.
3. What are the characteristics of R134a refrigerant?
The main characteristics of refrigerant R134a
a. R134a does not contain chlorine Atoms, no damage to the atmospheric ozone layer;
b.R134a has good safety performance (non-flammable, non-explosive, non-toxic, non-irritating and non-corrosive);
c. The heat transfer performance of R134a is relatively close, so it is easier to modify the refrigeration system.
d. R134a has better heat transfer performance than R 12, so the amount of refrigerant can be greatly reduced.
4. Are the refrigerants r134a and r407c interchangeable?
a. The two are not interchangeable. Although both are environmentally friendly refrigerants, the characteristics of the two are different, and the refrigeration equipment configurations designed are also different. R407c is a medium and high temperature refrigerant, which has similar characteristics to R22, and is an alternative refrigerant to R22; while R134a, a medium and low temperature environmentally friendly refrigerant, has characteristics similar to R12 and is an alternative refrigerant to R12.
b. Refrigerants are also called refrigeration working fluids, commonly known as refrigerants in some areas in the south. It is a working substance that continuously circulates in the refrigeration system and realizes refrigeration through its own state changes. The refrigerant absorbs the heat of the cooling medium (water or air, etc.) in the evaporator to vaporize, and transfers the heat to the surrounding air or water in the condenser to condense.
5. What is the market price of r134a refrigerant?
It is estimated that the market price of R134a is 22-35 yuan/kg, and the price of different purchase channels, different purchase quantities, and different brands are quite different. When purchasing, it is recommended to comprehensively determine the brand, packaging, and purchase volume according to your own needs and uses. Theoretically, the larger the purchase volume, the lower the comprehensive average price.
6. Which brand of r134a refrigerant is better?
R134a refrigerant small tanks are recommended to use Golden Cold, Car Servant, which are all good choices, but remember to find regular purchasers to cooperate, and do not buy fakes.
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