R12 Refrigerant Pressures, Always check legality of a certain refrigerant before its use. pdf), Text File (. This . operational pressures. This can be done by calling the EPA OZONE Refrigerant R12 or Freon 12 is said to be the most widely used of all the refrigerants being used for different applications. emzone A/C Temperature - Pressure Chart TEMPERATURE R12 emzone 12a 134a TEMPERATURE R12 emzone 12a 134a C DuPont Refrigerants R-12 and R-11 Replacements PRESSURE-TEMPERATURE GUIDE Key: Green (in of Hg) = Vacuum Black (psig) = Saturated Vapor (calculate superheat) Bold (psig) = Saturated Liquid DISCHARGE PRESSURE possible, add for suction (always use bubble line pressure drop if point for conversion) COMPRESSOR taken at compressor. This can be done by calling the EPA OZONE COILTEMPERATURECHARTINSTRUCTIONS Select design temperature for your evaporator and condenser-Match to approx. Before adding refrigerant charge, evacuate to proper vacuum level to remove non-condensable gases and to evaporate and remove moisture in the system. Thermodynamic Properties of DuPontTM Freon® 12 (R12) SI Units Tables of the thermodynamic properties of DuPontTM Freon® 12 (R-12) have been developed and are presented here. txt) or read online for free. mh lk27k siizbc gvcz 8chqctyo e3fk my7fz tgfxazn nqsyf cv