| 摘要 |
A simple to disassemble balanced pump with suction and delivery on the same axis comprising a shell (12), containing an impeller (24) connected to which is a drive mechanism (16), the shell provided on one side with a suction port (19) and on the other side with a delivery port (20) located on the same axis, in which the shell (12) has a cover (18) that can be freely removed from below, the shell being designed raised on a part thereof open at the side, the impeller (24) also fitted with further wear rings (31, 54) facing outwards on radial surfaces that collaborate with other wear rings (32, 51) integral to the shell and/or lower cover (18); in said pump free perimetric ends of the lower wear rings (54, 51) are partially covered and enclosed by a shaped fixed ring (56, 57) that establishes a labyrinth passage for a pumped fluid. <IMAGE> |
