Page 129 - Know and Understand Centrifugal Pumps
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Know and Understand Centrifugal Pumps








                                            'A  PUMP

















                               U                 Q BEP             Q
                                       The System requires X Flow   GPM

        Figure 8-12
          Next, we should find a pump who's  BEP coordinates fall right between
          the Hsl and Hs2 at flow X, as seen on the graph above (Figure 8-12).

          With this information, the pump curve, coordinating with  this system's
          demands according to the two tank levels, is seen this way (Figure 8-13).









                  H BEP
                  1






                  lH                      I        I



                  t    10                 I    V   I I
                          0                 Q BEP              Q
                                                            GPM
        Figure 8-13
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