The upper part of the submersible motor shaft is equipped with a labyrinth sand control and two return-mounted skeletal seals to prevent flow sand from entering the motor. The submarine motor adopts water lubricated bearing, the lower part is equipped with rubber regulating film, regulating spring, regulating the pressure chamber, adjusting the pressure change caused by the temperature; the motor winding adopts polyethylene insulation, the nylon sleeve sets of water resistant magnetic wire, Cable connector technology, the connector insulation off scraping paint layer, were connected, welding firmly, with raw rubber around a layer. And then wrapped with waterproof adhesive tape 2-3 layer, the outer layer of 2-3 layers of waterproof tape or glue adhesive layer of rubber (bike tire) to prevent water seepage.
Submersible pump submersible motor shaft upper structure
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