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IIR document

Test procedures for cryogenic components and considerations for leakage measurement.

Number: pap. n. 034

Author(s) : BOERSCH M., HOLDENER F., ITEN E., et al.

Summary

Engineering components in cryo-technological plants have to meet demanding requirements derived from functional needs or prescribed in relating standards. For cryogenic components such as cryogenic valves and couplings some of the most important characteristics are defined in tightness requirements and pressure stability. However the performance is needed at service under cryogenic conditions, specific time-tested procedures are established since long time and carried out under ambient temperature level. Whereas for pressure tests it can be followed to the international standards and regulations, the preconditions for definition, testing and interpretation of acceptable leakage rates are based on limits of detectibility of the methods and lastly the experiences in the field. Corresponding specifications and test procedures for test objects to their encircling vacuum insulation, their ambient and their function related pipe connections has been established.

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Format PDF

Pages: 452-456

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Details

  • Original title: Test procedures for cryogenic components and considerations for leakage measurement.
  • Record ID : 30007019
  • Languages: English
  • Source: Cryogenics 2012. Proceedings of the 12th IIR International Conference: Dresden, Germany, September 11-14, 2012.
  • Publication date: 2012/09/11

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