... technology introduced from developed coun 1,General Description1215a/2,1218a/2,1222a/2 and 1228a/2 three-phase asychronous water submersible motors are of ... order to lift under ground water for city and industrial water supply as well as for mine drainage and farm irrigation.These ... lower guide bearings,thrust bearing,base and seal assembly etc.for motor construction in detail,see Fig 31) Motor is of ...