What are the types of commonly used refrigerants?

The refrigerant ( Freon) Many non-professional personnel don't know how to distinguish between different types of applications, but are often marked on refrigerators, refrigerator, air conditioning see use of refrigerants, model often when add auto refrigerant to car repair shop maintenance personnel said R - A ah R - 134 22 and so on. What's the meaning of these symbols? Let's make a brief introduction. 1, R12 refrigerant R12 as the most widely used in low temperature refrigerant, R - 12 is mainly used in refrigerators, freezers, water dispensers, auto air conditioning, commercial air conditioning, refrigerator, commercial refrigeration refrigeration equipment, refrigeration condensing units and so on. Two fluorine methylene chloride at the same time can also be used in aerosol propellant, the physical foaming agent, with medical disinfectant, insecticides launch agent, etc. , of the heart is a kind of intense and rapid material. 2, everything refrigerant everything as the most widely used in low temperature environmental protection refrigerants, because HFC - 134 a good comprehensive performance, make it become a kind of very effective and safe CFC - Substitute for 12, is mainly used in R - in use 12 ( Freon R12, and F - 12 12、CFC- 12, Freon 12, dichlorodifluoromethane) Refrigerant majority of areas, including: refrigerators, freezers, water dispensers, auto air conditioning, central air-conditioning, dehumidifier, cold storage, commercial refrigeration, ice water machine, ice cream machine, refrigeration condensing units, refrigeration equipment, at the same time also can be used in aerosol propellant, medical, aerosol, insecticides aerosol propellant polymer ( Plastic) Physical foaming agent, and magnesium alloy shielding gas, etc. 3, R410A refrigerant is a new kind of environmental protection refrigerants, does not destroy the ozone layer, the pressure of work for the common R22 air conditioner 1. Refrigeration (about 6 times, Warm) High efficiency and improve the performance of air conditioning does not destroy the ozone layer. New refrigerant R410A is composed of two kinds of quasi azeotropic mixture of R32 and R125 each 50%, mainly include hydrogen, fluorine and carbon ( Said for HFC) , has the stability, non-toxic, superior performance, etc. At the same time as a result of not containing chlorine, so will not react with ozone, which does not destroy the ozone layer. In addition, the adoption of new refrigerant of the air conditioning in terms of performance also improved. R410A is by far the most appropriate internationally recognized to replace R22 refrigerant, and in Europe and the United States, Japan and other countries. R410A replacement in the main international market of global trends and prospects of using condition and the dynamic of entering the international market. 4, refrigerant R404A refrigerant R404A, alias R404A, name of commodity has SUVA HP62, SUVA, 404 a, Genetron 404 a, etc. Because R404A are HFC type non azeotropic refrigerants (environmental protection Completely do not contain ozone-depleting CFC, as) Recognised by the most countries in the world, and recommend the mainstream of the low temperature environmental protection refrigerants, widely used in new refrigeration equipment to add in the process of die erste installation and maintenance. R404A as today's widely used in low temperature refrigerant, often used in cold storage, food refrigeration equipment, refrigeration equipment, Marine industrial cryogenic refrigeration, commercial refrigeration, transport refrigeration equipment at low temperature ( Refrigerated trucks, etc. ) , refrigeration condensing units, supermarket display cabinets and other refrigeration equipment. There are other cryogenic refrigerant R14 refrigerants, R13 refrigerants. 5, R600a refrigerant refrigerant R600a is a kind of excellent performance of the new type of hydrocarbon refrigerants, derived from natural ingredients, no damage to the ozone layer, without the greenhouse effect, green environmental protection. Characterized by a large latent heat of evaporation and cooling ability; The flow performance is good, delivery pressure is low, low power consumption, load temperature picks up speed. Compatible with all kinds of compressor oil. ( Note: R600a content in the refrigeration system is insufficient, will cause the pressure value is too large, abnormal sound of machine, compressor life expectancy) 。 Colorless gas at room temperature, under pressure from its own colorless transparent liquid, is a substitute for R12. 6, R22 refrigerant R - 22 as today the most widely used in low temperature refrigerant, is mainly used in household air conditioner, commercial air conditioning, central air conditioning, mobile air conditioning, heat pump water heater, dehumidifier, frozen type dryer, cold storage, food refrigeration equipment, Marine refrigeration equipment, industrial refrigeration, commercial refrigeration, refrigeration condensing units, supermarket display cabinets and other refrigeration equipment. Two fluorine monochloro methane can also be used in the production of ptfe resin raw materials and fire extinguishing agent 1121 intermediate, and used for polymer ( Plastic) The physical foaming agent. Due to the destruction of the ozone, many refrigerant models have already been eliminated slowly, mainly including the R11, R12, R113? , R115, R500, r114® Then ozone depletion coefficient is only a few percent of R11 R22, R123, R141b and R142b also began to slowly it is prohibited to use. Ozone depletion coefficient of 0 models at present: everything, R125, R32, R407C, R410A, R152; The life has not announced regulations.
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