| 摘要 |
PURPOSE: A connection pipe having branch pipe opening/closing structure is provided to secure precision in the opening and closing motion of a valve by directly installing a shutoff valve in the branch pipe of a T-shaped connection pipe. CONSTITUTION: A T-shaped connection pipe consists of a linear main pipe(2) having a fluid inlet(2A) and a fluid outlet(2B) and a branch pipe(3) having a path(3A) connected with the inside of the main pipe. An operation guide path(4) is extended straight from the path of the branch pipe, and is formed in the main pipe perpendicularly crossing the paths of the inlet and the outlet. A shutoff valve constituted of a cut-off body(5A) slidably installed in the operation guide path to selectively open and close the path and a knob(5C) movably exposed to the outside the main pipe to control the motion of the cut-off body.
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