| 摘要 |
An input port 2 and an output port 3 opening in orientations at 90° from each other are connected by a flow path 4, a valve seat 7 formed around an input-side connecting hole 5 can be opened and closed from inside the flow path 4 by a valve body 8 provided to a tip end of a valve shaft 9 for moving forward and rearward by operation of fluid pressure, the valve body 8 moves across a front of an output-side connecting hole 6 in opening and closing of the valve seat 7, a diameter of the valve shaft 9 is formed to be equal to or slightly larger than that of the valve body 8, and a stroke of the valve body 8 for opening and closing the valve seat 7 is set at an amount required to fully open the output-side connecting hole 6.
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