What does the alignment device of a submersible pump look like?
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One technical specification states that \"if necessary, an alignment device can be installed on the submersible pump.\" After checking online, I found that such a device is not included in the schematic diagram of the submersible pump’s structure.
Something like this, with an outer diameter that rests against the inner wall of the pipe to help keep it aligned; submersible pumps probably don’t have such a feature, but deep well pumps might
There is something similar to this in vertical single-screw pumps
Long-shaft submersible pump: when the pump shaft is too long, an additional shaft sleeve is used, as shown in the figure below: Enlarged detail view:
No way, it should be a submersible sewage pump with guide rails!