Report of tests carried out on Viton O-ring seals to assess suitability for operation over the temperature range {minus}40 C to +220 C when used in Package Design 2863B

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Description

To satisfy the requirements of US Regulatory bodies the O-ring seals in the containment vessels of Package Design 2863B have to be shown to operate satisfactorily (i.e. remain leaktight) at the extremes of temperature that they are expected to experience during both normal and hypothetical accident conditions of transport. For Package Design 2863B this effectively means that the seals must remain leaktight over the temperature range {minus}40 C to + 220 C, but to ensure that an adequate safety margin exists the seals should preferably remain leaktight over the range {minus}50 C to +250 C. This test report describes the ... continued below

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34 p.

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Creator: Unknown. December 31, 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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Description

To satisfy the requirements of US Regulatory bodies the O-ring seals in the containment vessels of Package Design 2863B have to be shown to operate satisfactorily (i.e. remain leaktight) at the extremes of temperature that they are expected to experience during both normal and hypothetical accident conditions of transport. For Package Design 2863B this effectively means that the seals must remain leaktight over the temperature range {minus}40 C to + 220 C, but to ensure that an adequate safety margin exists the seals should preferably remain leaktight over the range {minus}50 C to +250 C. This test report describes the procedures and results of tests carried out on Viton seals over the temperature range {minus}50 C to +250 C. The variability of the results at low temperature, by both pressure drop and helium leakage testing, would indicate that the particular formulation of Viton tested cannot be used to provide a reliable leaktight seal at {minus}40 C. Although the results of the pressure drop tests at high temperature were satisfactory, insufficient testing has been carried out using helium leakage testing to draw a firm conclusion about the high temperature performance of the material tested.

Physical Description

34 p.

Notes

INIS; OSTI as DE97002942

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  • Other Information: PBD: [1996]

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  • Other: DE97002942
  • Report No.: LA-SUB--96-8
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/432960 | External Link
  • Office of Scientific & Technical Information Report Number: 432960
  • Archival Resource Key: ark:/67531/metadc685118

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Creation Date

  • December 31, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • July 28, 2016, 7:24 p.m.

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Report of tests carried out on Viton O-ring seals to assess suitability for operation over the temperature range {minus}40 C to +220 C when used in Package Design 2863B, report, December 31, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc685118/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.