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          impeller diameter and pump flow, head, shaft power have anything to do
          Time:2011-4-14
          For the same pump, when the speed is constant, change the impeller diameter, the performance can be cut the following law of conversion.
              
          Where: Q1, H1, Pa1 - that when the impeller flow diameter D1, head, shaft power;
          Q2, H2, Pa2 - that when the impeller flow diameter D2, head, shaft power.
          editor:kongfanchang

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