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1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...
Refrigerant concentration limit / immediately dangerous to life or health in parts per million (volume per volume) and grams per cubic meter Molecular mass in atomic mass units Normal boiling points for pure substances, bubble and dew points for zeotropic blends, or normal boiling point and azeotropic temperature for the azeotropic blends, at ...
Promoted as climate-friendly substitute for R-134a and R-410A, but still with high climate impact. Has excellent heat transfer and pressure drop performance, both in condensation and vaporisation. [66] It has an atmospheric lifetime of nearly 5 years. [67] Currently used in residential and commercial air-conditioners and heat pumps. R-134a HFC ...
R-123, R-134a, R-404A, R-407C, R-507, R-717: Transport refrigeration: Equipment to preserve and store goods, primarily foodstuffs, during transport by road, rail, air, and sea: R-134a, R-407C, R-410A: Electronic cooling: Low-temperature cooling of CMOS circuitry and other components in large computers and servers [10] R-134a, R-404A, R-507 ...
Most are gases at room temperature and pressure. They are frequently used in air conditioning and as refrigerants ; R-134a (1,1,1,2-tetrafluoroethane) is one of the most commonly used HFC refrigerants .
1,1,1,2-Tetrafluoroethane (R-134a) C 2 H 2 F 4: strong ... * The density is approximate; it is normally specified at atmospheric pressure, the temperature may vary, ...
Automobile manufacturers began phasing in R-134a around 1993 [citation needed]. When older units leak or require repair involving removal of the refrigerant, retrofitment to a refrigerant other than R-12 (most commonly R-134a) is required in some jurisdictions. The United States does not require such conversion.
The refrigerant was developed by the DuPont/Honeywell company and is more expensive per pound than R-134a. R-1234yf can be found in late-model cars and is not cross-compatible with older R-134a or R-12 systems. Of the three refrigerants, R-1234yf is the best for the environment with the lowest global warming potential number which is about a three.
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