Maintenance & Reliability
Case 47: Refrigeration system vibration
A systematic procedure can identify the vibration source
HP Reliability: Remembering Flixboro: part 2
Last month's column attempted to make the point that reliability professionals must search for answers to questions as to why equipment failed. It related when one of six cyclohexane oxidation reactor..
Innovative approach solves CCR regenerator pinning problem
The root cause was regenerator gas blower oversizing
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..
Caustic injection relocation project
Corrosion and fouling in the second preheat exchangers were eliminated
Case 46: Rotary screw compressor failure
Most complex equipment can be simplified
HP Reliability: API-682: the internal clearance issue
 While the operating characteristics and run-length capabilities of all dual-mechanical seals are strongly influenced by the condition of the fluid in the sealing cavity, seal life expectancy is ..
HP Reliability: Reader's choice and editorial writing
 The question is: Should reliability professionals endorse superior products and alert others to solutions to problems. Relating to this topic, the September 2003 issue of Hydrocarbon Processing ..
HP Reliability: Notes from a consulting assignment
 "Machine failed; how do we fix it?" As a consulting engineer, one often gets this type of request. Unfortunately, the client sometimes has neither the time nor the interest to elicit the consult..
Repair of a corroded vessel skirt subjected to an overturning moment
A parametric finite element model was used to determine the most economical solution
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