All performance parameters must represent the operation of one or a specified number of pump stages clearly indicated on the chart. Performance curves of pumps in 50 Hz service are typically published for a fixed rotational speed of 2,917 RPM. As described by Butlin [2], this number was ...
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If operating problems persist, the following chart may be of assistance in identifying and correcting them: MATCH "CAUSE" NUMBER WITH CORRELATING "CORRECTION" NUMBER. NOTE: Not all problems and corrections will apply to each pump model. PROBLEM CAUSE CORRECTION Pump will not run Pump will not ...