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The cryogenic freezing of non-metallic pipelines.

Author(s) : MARTIN C., RICHARDSON R. N., BOWEN R. J.

Type of article: Periodical article

Summary

This article discusses how to freeze liquid inside plastic pipelines in order to create solid plugs enabling work to be performed on specific pipeline portions (maintenance, modification). The device is described, as is the method involving liquid nitrogen. The process does not damage the plastic pipeline. Adherence of the plug to the inside wall is examined. An experimental test device is described.

Details

  • Original title: The cryogenic freezing of non-metallic pipelines.
  • Record ID : 2003-3014
  • Languages: English
  • Source: Inst. Refrig., Adv. Proof - 2002-03; 12 p.; fig.; tabl.; 12 ref.
  • Publication date: 2003
  • Document available for consultation in the library of the IIR headquarters only.

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