| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a connection structure of a valve device that can accurately adjust an arrangement position of a valve body part while simplifying a piping structure, and can always arrange a socket of a piping unit on a connection direction side, and provide a connection method of the valve device.SOLUTION: A connection structure of a valve device includes; a cut pipe 2 whose both ends work as spigots, a valve device 1 provided with socket parts 4, 5 capable of inserting the end part of the cut pipe 2 at both ends and a valve body part 6 in the vicinity of the center, and a push ring 11 (fixation means) that fixes the valve device 1 and the cut pipe 2 inserted into the valve device 1.</p> |
