Lubrication oil properties of refrigeration compressor and how will you select REFRIGERANT? MEO CLASS4 ORALS

 Lubrication oil properties of refrigeration compressor?

  • Should have low floc point 
  • Should have low pour point.
  • Should not react with REFRIGERANT
  • Stability
  • Defoaming character.
  • Dielectric strength.


How will you select REFRIGERANT ?

  • High critical temperature
  • Low critical PRESSURE
  • Latent head of vaporization
  • Eco friendly.



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