Refrigerants pdf

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Absorption refrigeration produces its refrigerating effect by evaporating a refrigerant, which is then absorbed into solution in a suitable liquid. The Common HCFC refrigerants are R-22, R-123, R-124, and R-142b. A blend that contains both an HCFC and HFC is considered an HCFC refrigerant. HFC Refrigerant: HFC What is a Refrigerant? • In a refrigerating system, the medium of heat transfer which picks up heat by evaporating at a low temperature and pressure, and HFC refrigerants. R134a as a substitute for R12 and R22. Alternatives to R134a. Refrigerant blends. Substitutes for R22 in refrigeration systems.