Keeping pumps operating successfully for long periods of time requires careful pump design selection, proper installation, careful operation, the ability to observe changes in performance over time, and in the event of a failure, the capacity to thoroughly investigate the cause of the failure and take measures to prevent the problem from re-occurring. Pumps that have been: properly sized, are dynamically balanced, that sit on stable foundations with good shaft alignment, with proper lubrication, where operators start, run, and stop the machinery with care and where the maintenance personnel observe for unhealthy trends that begin to appear and act on them usually never experience a catastrophic failure.

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