Abstract
The authors describe the installation of a computer-based multipoint bearing vibration monitoring system in an oil refinery's process plant. The multipoint system, installed on centrifugal pumps, fans, and compressors in the 40 to 450 hp range, was developed in response to several serious plant fires which originated at centrifugal pump sea/bearing failures. It is concluded that detection of incipient mechanical failures has met the original objectives to reduce fire risk, production losses, and machinery downtime. Despite the limitations of the single probe on most items of equipment and the relatively course alarm setting, the system predicts maintenance problems and thereby reduces costs. >
Published Version
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