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VAPOR COMPRESSION REFRIGERATION EQUIPMENTS

VAPOR COMPRESSION REFRIGERATION EQUIPMENTS  Equipments of vapor compression systems include compressors, condensers, evaporators & expansion valves. These also include piping and various controls. COMPRESSORS (i)  Reciprocating compressors: used with (a) lower boiling temperature (much below 00C) refrigerants (ii)  low specific volume at – 150C, (c) (pcond – –pevap) > 3.5 atm (  R-22, NH3, etc.)….