fig4 illustrates a closed position fig4 of the valving member 45 just before releasing smaller diameter ball 42 fins 73 are generally aligned with bore 15 and with flow channels 71 72 when flow in channel 72 is desired fig4 in fig4 valving member 45 is closed and outer flow channel 72 is open in fig2 3 5 and 7 8 a tool 74 has been used to rotate valving member 45 to an open position that aligns its channel 53 with central flow channel 71 enabling smaller diameter ball 42 to fall downwardly via central flow channel 71 fig8 in fig5 outer flow channel 72 has been closed by fins 73 that have now rotated about 90 degrees from the open position of fig4 to the closed position fins 73 close channel 72 in fig5 it should be understood that tool 74 can also be used to rotate valving member 44 from an open position of fig1 b to a closed position such as is shown in fig5 when it is desired that dart 41 should drop similarly tool 74 can be used to rotate upper valving member 43 from the closed position of fig1 a to an open position such as is shown in fig5 when it is desired to drop larger diameter ball 40 fig7 16 illustrate further the method and apparatus of the present invention in fig8 lower or third valving member 45 has been opened as shown in fig5 releasing smaller diameter ball 42 in fig8 smaller diameter ball 42 is shown dropping wherein it is in phantom lines its path indicated schematically.