October 2008

Misc

Remembering Flixboro: part 1

At a recent gathering of over 500 reliability professionals in Texas, we invited questions from the audience. I was asked what I thought of installing flexible piping (or connectors) on centrifugal pu..

Bloch, Heinz P., Hydrocarbon Processing Staff

At a recent gathering of over 500 reliability professionals in Texas, we invited questions from the audience. I was asked what I thought of installing flexible piping (or connectors) on centrifugal pumps. My answer was short and specific; here it is. While sometimes feasible (see HP issue May 2007, pg 9), using flexible piping on centrifugal pumps in a process plant environment is generally a bad idea. We leave it to others to decide if it is sloppy workmanship or lack of engineering that impel some to consider flexible piping in the HPI. In any event, I would not, in most cases, tolerate the ensuing risk. Since there can be no doubt that best-practices plants are using only hard-piped con

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