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Maintenance of the Sanitary Pump

by Adamantvalves

The review of sanitary pump repair records and MTBF is of great importance to responsible and conscientious pump users. For convenience, these failure statistics are often translated into MTBF (in this case, the installed lifetime before the failure).

Unplanned maintenance is often one of the most important property costs, and failures of mechanical seals and bearings are among the main causes. Keep in mind the potential value of choosing pumps that are more expensive initially, but last much longer between repairs. The MTBF of a better pump can be one to four years longer than that of its unimproved counterpart. Consider that the published average values ​​of avoided pump failures range from US $ 2,600 to US $ 12,000. This does not include opportunity costs lost. A pump fire occurs by 1000 failures. Having fewer pump outages means less destructive pumping fires.

As we have seen, a typical pump failure, based on 2002 reports, costs an average of US $ 5,000. This includes the costs of equipment, parts, labor and overhead. The MTBF extension of a 12- to 18-month pump would save US $ 1,667 per year, which could be greater than the cost of improving the reliability of the centrifugal sanitary pump.

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