| 摘要 |
<p>PURPOSE:To provide piping guides which are provided at least on two positions of the outer circumferential face of a valve main body, allow fitting of small two sorts of piping flanges to the same valve body by improving the construction of piping guides for make centering process at piping, and make respective centering processes easy and sure. CONSTITUTION:A piping guide 7 is formed with two sorts of bolt holes 8, 9 of different centers in the radial direction of a valve main body 1 in communicated condition, and a claw member 10 to compensate the circumferential wall of a bolt hole 8 positioned on the outside in the radial direction is breakably provided in a bolt hole 9 positioned on the inside in the radial direction.</p> |
