| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the abrasion of a branch pipe root section and simply replace only the branch pipe root section when it is abraded. SOLUTION: A branch section opening 10h is bored on the branch pipe root section 14 of a Y-type branch pipe 10 branching the flow of a fluid containing a solid and flowing in a pipe. A branch section insertion part 20 having a partition plate 21 protruded in the direction of a branch front pipe section 11 from a branch point and sorting the flow of the fluid to the branch direction is removably provided on the branch section opening 10h.</p> |
