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246                                                      Chapter 5

                                      Outlet Valve
                              Manifold  /
                               <F///S///MftlW>
                         'f\  Y/W/f//
                      -  -*•     —ftrton
                   Inlet Valve-
                         ^^^tfSS///tf/////////s\
                         S)  (E22  Kfl  Yi.
                               \
                                Manifold                       Inlet Valve
                          Piston (Source: Reference 5.49)  Hunger (Source: Reference  5.49)






                                       Inlet Valw x
                                                   Diaphragm

                                      Diaphragm (Source: Reference 5.49)
                                         Reciprocating Pumps











                                  Gear

                  Gear (Source: Adapted from Reference  5.60)  Sliding Vane (Source: Adapted from Reference  5.60)





                                                ——  Shad
                                 Staler  Rotor


                                     Progressive Cavity
                                      Rotary Pumps

           Figure  5.25  Common  positive-displacement  pumps. Adapted from  Ref-
           ererence 49, 60 with permission.





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