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Retrofilling to HFC134a with synthetic ester lubricants: how it works in practice.

Author(s) : EDGAR L. J., WILSON M. G.

Type of article: Article

Summary

The article begins with the need to develop a lubricant to replace mineral oils when HFC refrigerants are substituted for CFC refrigerants. The preferred oil is a synthetic ester based lubricant which has many advantages over mineral oils and is just as suitable when used with existing CFC refrigerants. The steps taken to change from mineral oil to an ester based oil are then described both generally and also in detail for several specific applications, including R500 centrifugal systems and R12 reciprocating compressor plants. The fact that the ester lubricant can be charged into the system still containing the CFC refrigerant and run to flush out the mineral oil is a distinct advantage. The actual date for changing to a non-CFC refrigerant can then suit refrigerant availavility. D.W.H.

Details

  • Original title: Retrofilling to HFC134a with synthetic ester lubricants: how it works in practice.
  • Record ID : 1994-3405
  • Languages: English
  • Source: AIRAH J. - vol. 47 - n. 11
  • Publication date: 1993/11
  • Document available for consultation in the library of the IIR headquarters only.

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