407c, mixture, hydrofluorocarbons, used, refrigerant, zeotropic, blend, difluoromethane, pentafluoroethane, tetrafluoroethane, 134a, difluoromethane, serves, provide, heat, capacity, pentafluoroethane, decreases, flammability, tetrafluoroethane, reduces, press. R 407C is a mixture of hydrofluorocarbons used as a refrigerant It is a zeotropic blend of difluoromethane R 32 pentafluoroethane R 125 and 1 1 1 2 tetrafluoroethane R 134a Difluoromethane serves to provide the heat capacity pentafluoroethane decreases flammability tetrafluoroethane reduces pressure 1 R 407C cylinders are colored burnt orange This refrigerant is intended as a replacement for R 22 R 22 production will be phased out by 2020 as per the Montreal Protocol 2 Physical properties editPhysical properties of R407C refrigerant Property Value Formula CH2F2 R32 23 CF3CHF2 R125 25 CF3CH2F R134a 52 Molecular Weight kg kmol 86 2 Boiling point C 43 8 Saturated liquid density 25 C kg m3 1138 Saturated vapour density 25 C kg m3 43 8 Critical temperature C 86 4 Critical pressure bar 46 3 Liquid heat capacity 25 C kJ kg K 1 533 Vapour heat capacity 1 013 bar kJ kg K 1 107References edit A brief history of refrigerant Archived 2011 07 18 at the Wayback Machine Unwrapping The Mystery Of R 407C www achrnews com Retrieved 27 June 2016 nbsp This article about a hydrocarbon is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title R 407C amp oldid 1175348477, wikipedia, wiki, book, books, library,
