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Material compatibility of seal materials with low GWP refrigerants and lubricant.

Number: 1247

Author(s) : ROBACZEWSKI C., LEEHEY M. H., DEDEKER Z.

Summary

Elastomers and gaskets are critical materials used in the construction of heating ventilation, air conditioning and refrigeration (HVAC&R) equipment since they prevent the loss of refrigerant. These materials can take the form of O-rings, sealing rings, flat gaskets and used in fiber reinforced gaskets. Understanding of the compatibility of these materials with new low global warming potential (GWP) refrigerants and lubricants is necessary to ensure leak tight equipment operation over 10-20 years. AHRTI (Air-Conditioning Research Technology Institute), with funding from the US Department of Energy Building Technology Office, and NYSERDA (New York State Energy Research & Development Authority) sponsored the second phase of the AHRTI Project 9016 to continue the study of Low GWP (global warming potential) refrigerants. Phase II of this project expanded upon the chemical stability testing with more system materials of construction and included material compatibility of common non-metallic materials (elastomers, plastics and motor materials) used in refrigerant containing systems.

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Pages: 10

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  • Original title: Material compatibility of seal materials with low GWP refrigerants and lubricant.
  • Record ID : 30033642
  • Languages: English
  • Source: 2024 Purdue Conferences. 27th International Compressor Engineering Conference at Purdue.
  • Publication date: 2024/07/18

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