Fundamentals of Operational Reliability

Introduction Operational reliability is a priority for any process unit facility.  A definition of Reliability is: “The ability of an apparatus, machine, or system to consistently perform its intended or required function or mission, on demand and without degradation or failure.” Reliability is something that owners and operators consider a priority, but achieving stable reliable […]

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Fluid Catalytic Cracking (FCC) Transfer Line Flexibility – Analysis and Design Considerations

FCC’s are complex units – and the design of their transfer lines has some unique considerations. While many of the lines are refractory lined to permit construction with carbon steel piping, some sections are hot walled, at temperatures well into the creep range, for the purpose of balancing thermal expansion or, in the case of piping […]

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“Speed Kills” – An Empirical Association of Antifriction Bearing Behavior When Things Go From Bad to Worse

Machinery and reliability people have for a long time observed that when it comes to long life and high reliability, operating at higher speeds compares poorly to operation at lower speeds. One of the primary reasons for having high-speed devices is economics. With high speed you can have smaller equipment sizes with fewer stages. While […]

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