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Briton R404A Refrigerant Gas

Briton R404A Refrigerant Gas is an almost azeotropic mixture of HFC refrigerants, with zero ozone layer depletion, used in new refrigeration equipment at mid-range and low temperatures. It is also an indirect replacement (retrofit), in equipment that previously operated with R-502 and its HCFC replacements such as R-408A, DI-44, and HP80. It is mainly used in new installations with mid-range and low refrigeration temperatures. The theoretical cooling capacity is 5% lower than R-502 at evaporation temperatures of -40ºC. The coefficient of performance (COP) is between 5 and 8% lower than R-502. As superheating increases, R-404A’s COP might become higher than that of R-502. In the case of R-502 retrofits and its HCFC replacements (R-408A, DI-44), 95% of the original mineral oil or alkylbenzene must be replaced by a polyolester oil, the dryer filter and expansion valve changed, rubber O-rings replaced with plastic ones and, occasionally, the size of the condenser must be increased. When it is used as a retrofit for R-22, the safety valves also need to be changed along with any other elements calibrated to R-22 pressures.

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Briton R410A Refrigerant Gas

R-410A has replaced R-22 as the preferred refrigerant for use in residential and commercial air conditioners. Parts designed specifically for R-410A must be used as R-410A operates at higher pressures than other refrigerants. R-410A systems thus require service personnel to use different tools, equipment, safety standards, and techniques. Equipment manufacturers are aware of these changes and require the certification of professionals installing R-410A systems. In addition, the AC&R Safety Coalition has been created to help educate professionals about R-410A systems.

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Briton R134a Refrigerant Gas

1,1,1,2-Tetrafluoroethane is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a somewhat lower global warming potential (1,430, compared to R-12’s GWP of 10,900). It has the formula CH2FCF3 and a boiling point of −26.3 °C (−15.34 °F) at atmospheric pressure. R-134a cylinders are colored light blue. Attempts at phasing out its use as a refrigerant with substances that have lower global warming potential, such as HFO-1234yf, are underway. 1,1,1,2-Tetrafluoroethane is a non-flammable gas used primarily as a “high-temperature” refrigerant for domestic refrigeration and automobile air conditioners.

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Briton R22 Refrigerant Gas

Chlorodifluoromethane or difluoromonochloromethane is a hydrochlorofluorocarbon (HCFC). This colorless gas is better known as HCFC-22, or R-22. It is commonly used as a propellant and refrigerant. These applications are being phased out in developed countries due to the compound’s ozone depletion potential (ODP) and high global warming potential (GWP), although global use of R-22 continues to increase because of high demand in developing countries. R-22 is a versatile intermediate in industrial organofluorine chemistry, e.g. as a precursor to tetrafluoroethylene.