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Development of a Protocol to Determine the Minimum Operating Stress of Compressed Non-Asbestos Gaskets

[+] Author Affiliations
Ana C. Silva, Lucas Xavier

Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil

Gabriele Rodrigues

Souza Marques University, Rio de Janeiro, RJ, Brazil

Paper No. PVP2013-97900, pp. V005T11A028; 8 pages
doi:10.1115/PVP2013-97900
From:
  • ASME 2013 Pressure Vessels and Piping Conference
  • Volume 5: High-Pressure Technology; ASME NDE Division; Rudy Scavuzzo Student Paper Symposium
  • Paris, France, July 14–18, 2013
  • Conference Sponsors: Pressure Vessels and Piping Division, Nondestructive Evaluation Engineering Division
  • ISBN: 978-0-7918-5569-0
  • Copyright © 2013 by ASME

abstract

The ASME PCC-1-2010 Guidelines for Pressure Boundary Bolted Flange Joint Assembly [1] introduced a new method for an appropriate assembly bolt stress determination across bolted flange connections. The method introduced in APPENDIX O of the ASME PCC-1-2010 has recently received substantial attention by several gasket researchers. In this new method, calculation is based in a complex approach that considers the integrity of each joint component. However, almost no information is found about some essential parameters. Therefore, the intent of the present study is to introduce a protocol for the determination of one of these factors: the minimum gasket operating stress (Sgmin-o). This value is defined as “the gasket stress that should be maintained on the gasket during operation in order to assure the leakage does not occur”. This paper will show a detailed study for a protocol to determine the minimum gasket operating stress and actual test results for compressed non-asbestos gaskets. Furthermore, the device used in the research will be defined in detail afterwards.

Copyright © 2013 by ASME
Topics: Stress , Gaskets

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