| 摘要 |
PURPOSE:To prevent a easing liner from deforming even if an external force such as pipe external force, is applied on a suction flange. CONSTITUTION:In a pump casing made of metal sheet in which a suction flange 14 is integrated with a casing main body 1, an extension part la expanded roughly in semi-circular form in radial outward direction and an end plate part 7 formed roughly in semi-spherical form are provided in the casing main body 1. A base b of the extension part 1a is positioned on a surface made by extending a curved surface of the end plate part 7. |
