| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve which enables reduction of a deformation amount of a seal member to make the seal member less likely to be removed from a groove when the seal member is fastened to be held.SOLUTION: A valve 10 comprises: a valve body 11 having a conical surface 20; an annular groove 30 formed on the conical surface 20 and having one groove wall surface 32 perpendicular to the conical surface 20; an annular seal member 40 inserted into the annular groove 30 and including one part projecting from the conical surface 20; and a fastening part 51 which is formed at the inner side of an opening part on the other groove wall surface side of the annular groove 30 and protrudes into the opening part to fasten the seal member 40.SELECTED DRAWING: Figure 1 |
