Page 73 - Subyek Teknik Mesin - Forsthoffers Best Practice Handbook for Rotating Machinery by William E Forsthoffer
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Pump Best Practices      Be st Practice 2.7



































              Fig 2.7.6   Centrifugal pump control options






































              Fig 2.7.7   Centrifugal pump component damage and causes as a function of operating point



                The reliability of machinery components (bearings, seals,  As an example, changes in auxiliary system supply tempera-
              etc.) is directly related to the reliability of the auxiliary system.  ture, resulting from cooling water temperature or ambient air
              In many cases, the root cause of the component failure is found  temperature changes, can be the root cause of component
              in the supporting auxiliary system.                  failure. Figure 2.7.12 presents these facts.

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