1. Impeller: It is an important working element of the submersible sewage pump and the heart of the overflow part.
2. Volute: The pressure chamber of the submersible sewage pump is in the form of a volute, which collects the liquid flowing out of the impeller and leads it to the outlet pipe.
3. Electronic stator components: prime mover components.
4. Electronic rotor parts: prime mover parts.
5. Upper bearing: ball bearing (or cylindrical roller bearing), which supports the rotor and at the same time bears the radial force generated by the pump.
6. Lower bearing: ball bearing (or cylindrical roller bearing), which supports the rotor and at the same time bears part of the radial force and all the axial force generated by the pump.
7. Mechanical seal: prevent liquid from entering the oil chamber and sealed electric shock cavity.
8. O-shaped sealing ring: prevent liquid from entering the oil chamber and sealed electric shock cavity.
9. Lip seal: prevent liquid from entering the sealed electric shock chamber from the oil chamber.
10. Cover: Located on the upper part of the motor, it forms a closed cavity with the motor, and the cable passes through the upper part.
11. Watertight power cable: for power wiring.
12. Watertight control cable: signal transmission.
13. Bearing cover: fix the bearing, and at the same time form a closed cavity with the upper motor, and form a closed oil chamber with the lower volute.
14. Bracket: The support of the water pump, and at the same time guide the water flow into the impeller.
15. Bearing seat (above 5.5kw): It fixes the bearing and forms a closed oil chamber with the mechanical seal. 16. Mechanical seal seat (above 5.5kw): Install the mechanical seal and form a closed oil chamber with the bearing seat.
17. Junction box (above 18.5kw): The cable and the motor lead wire and signal wire are connected here.
18. Cold water jacket (above 18.5kw): used to cool the motor when the pump is working.
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