In either case, the stator coil and canned cover need to be replaced. Due to the special structure of the canned motor pump, the replacement stator winding becomes more complex, the stator canned cover and the two end seal plate must be removed in order to remove the stator winding. After repairing the windings, the new canned sleeve and sealing must be remade. Its material requirements are special, and the production accuracy is also high.

Sealing should pay attention to the choice of canned sleeve material. canned motor pumps not only need to have a more durable power, but also to ensure good sealing, sealability to ensure that the internal material will not leak, to ensure that the whole work can be carried out normally:

The stator canned sleeve loss pb is proportional to the thickness of the canned inglisum, the canned motor pump rotor assembly, and the resistance coefficient of the canned sleeve material is proportional to the coefficient of the canned sleeve material. canned sets of materials must be a good mechanical performance and corrosion resistance of non-magnetic materials, in order to reduce vortex loss to choose a large resistance coefficient of materials. The thickness should not be too thin, to affect the mechanical strength, also should not be too thick, too thick will make the canned ingenal loss increased. The canned sleeveofs of imported canned pumps are mostly made of a special stainless steel material called hastelloy-c, which contains more than 50% nickel, and the properties of this material can meet several of the above requirements.