An engineer was seriously burned when a thirty-nine inch expansion joint ruptured while workman were performing temporary repairs at a Texas refinery. The ruptured bellows spilled hot catalyst from a fluidizer catalytic cracking unit on the deck which the engineer had to cross to reach safety.

We were asked to determine why the bellows had failed. We found that the stainless steel had not been heat-treated properly during the making of the steel itself and was sensitized during fabrication and made susceptible to corrosive attack.


We perform failure analysis on equipment for clients in industries including energy, mining and petrochemical.
Give us a call – let’s talk about your needs.

Related Projects

Stress, Vibration and Fatigue Analysis of Bellows
Engineering Analysis of Design Errors in Electrostatic Precipitator

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Petrochemical Plant Consulting
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Tom O’Donnell, PE
Murals of Projects

(412) 835-5007

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