| 摘要 |
A locking device of the stator pack of a pump comprises casing means (4) arranged to contain pumping stages of a fluid to be pumped, flange means (2) suitable for closing said casing means (4), screw means (3, 8) cooperating with nut screw means (5, 14) for fixing together said flange means (2) and said casing means (4), said screw means (3, 8) having a contour that is, at least at a non-active thread side (16), substantially non-complementary to a further contour of said further nut screw means (5, 14); a locking device of the stator pack of a pump comprises casing means (4) suitable for containing the pumping stages of a fluid to be pumped, flange means (2) suitable for closing said casing means (4), connecting means (3, 5) arranged for reciprocally fixing said flange means (2) and said casing means (4) and seal means (24) arranged to insulate said connecting means (3, 5) from said fluid. |
