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Flare header failure: An investigation

05.01.2013  |  Tharakan, J. ,  Suncor Energy Products, Calgary, Alberta, Canada

Keywords: [flare] [header] [failure] [ASME] [thermal bowing] [buckling] [pipe] [strain] [saddle supports]

A 60-in. flare header suffered three identical failures with buckling and cracking at the circumferential weld at the bottom of the pipe. The failures are believed to have originated during hot reliefs.

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