Recent Investigations - Plant Accidents

Defective Flange Design Cause of Acetylene Gas Plant Explosion?

Metallurgical failure analysis was requested after an acetylene gas manufacturing plant exploded. An examination of the various parts of the acetylene producing equipment was requested. The accident investigation focused on the gasketed joint in a fill hopper as the probable source of leaking acetylene gas.  Testing revealed a defective flange design.  Design analysis and example flange testing showed that the acetylene gas fill hopper gasket would squeeze out of the joint under normal operating conditions resulting in a physical gap through which the acetylene gas would leak. 

 

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Dr. Craig JernerDr. R. Craig Jerner, Ph.D., PE specializes in accident investigation and metallurgical failure analysis, with over 30 years experience as a metallurgical consultant and accident investigator. He has testified as a metallurgical expert in over 250 depositions and more than 70 court appearances. If you or someone you know should need the services of  Dr. Jerner and J.E.I. Metallurgical, please visit our web site at the buttons below, or e-mail Dr. Jerner --- r.c.jerner@metallurgist.com


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