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Properties of Refrigerants

Sr.No. Refrigerant Evaporator pressure
(bar)		 Condenser pressure
(bar)		 Refrigeration Effect
(kJ/kg)		 Volume flow rate per MW
of cooling
(m3/s)		 COP
1 Freon 12 (or Refrigerant 12) 1.825 7.45 116.4 0.783 4.68
2 Carbon dioxide 22.9 72.1 132.0 0.127 2.7
3 Ammonia 2.36 11.67 1102.9 0.458 4.72
4 Methyl chloride 1.46 6.53 349.3 0.8 4.87