Everything cold media FAQ summary? 【 】

1, what are the strengths and weaknesses of the contrast everything refrigerant R22? First of all, everything is mainly used in automobile and household refrigerator cold media, is a new type of cfc-free, refrigerant, while R22 is mainly used for household air conditioner and refrigerator cold media, has pollution to the air, is now being phased out. 2, which cooling refrigerant r22 and r134a has a good? R134a ( Say - Four fluorine ethane) Is one of the most widely used in low temperature environmental protection refrigerants, it has good comprehensive performance, make it become a kind of very effective and safe R12 ( Dichlorodifluoromethane) Alternatives, can be applied to use the most areas of refrigerant R12. And R22 at room temperature for colorless, approximate tasteless gas, not burning, explosion, corrosion, toxicity than R12 slightly larger, but is still a safe refrigerants, security classified as A1. Compared the two, from the perspective of environmental protection, refrigerant everything will be green. What are the features 3, R134a has a refrigerant? The main characteristics of refrigerant R 134 a a. Everything does not contain chlorine atoms, the atmospheric ozone layer can't afford to damage; b。 Everything has a good safety performance, Non-flammable, does not explode, non-toxic, no stimulation without corrosion) ; c。 Heat transfer performance is close to everything, so the refrigeration system retrofit is easier. d。 Everything's heat transfer performance is better than R 12, so the amount of refrigerant can be greatly reduced. 4, refrigerant r407c used interchangeably and everything? 一个。 Both not interchangeable. Although both are environmental protection refrigerants, the two features are not the same, the design of refrigeration equipment configuration is not the same. Refrigerant R407c is in high temperature, and close to the characteristics of the R22 is the R22 alternative refrigerants; And everything that is in the low temperature environmental protection refrigerants, and close to the characteristics of the R12 is the alternative refrigerant R12. b。 Refrigerant is also called the refrigerating agent, commonly known as snow in some areas of the south. It is a cycle in the refrigeration system and through its own change of state in order to realize the refrigeration work material. Refrigerant in the evaporator absorbed by the cooling medium ( With air or water, etc. ) Heat and evaporation, in the heart of the condenser heat transfer to the surrounding air or water and condensation. 5, everything cold media market is the price? Estimate everything the market price in 22 ~ 35 yuan/kg, different supply channels and purchasing quantity, different brand price difference is bigger. At the time of purchase, it is suggested that determined comprehensively according to their own requirements, use the brand, packaging, and purchasing quantity. Theoretically, the purchase quantity, the greater the average price is lower. 6, everything cold media brand which is really good?
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