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