1215-1234 Series well-used water-submersible 3-phase asynchronous motors are of advanced technical products introduced from RITZ Company of Germany. The motors adopt a water-filling sealed construction and are separatedly used in 150-400mm well dia of deep-well to drive the water-submersible pump to lift underground water for plants, mines agricultural drainage and irrigation as well as for city living water required.

Because of the reasonable design and the simple construction, the motor possess the characteristics of low noise, excellent performance, high efficiency, dependable service ability and easy maintenance. In addition, owing to the adoption of new types of bearing structure and materials, the motors are able to bear a bigger axial force, so as guarantee the service life of the motors.