Submersible pump motor overheating reasons: there are individual customers to buy the submersible pump do not look at the instructions on the direct use of motor burn out. Submersible pump motor is cold water to cool it will not heat, so the submersible pump must be placed in the water, and the water must be flooded motor so that the motor is cooled, and then the motor to extend life expectancy.
    1, submersible pump pumping mud, the medium density caused by overload. The measured medium density is greater than 1.3, or even reach 1.5 ~ 1.6; and motor power richness coefficient is small (generally 1.05 ~ 1.2). 2, the siltation of the sediment in the pump body, the impeller is overloaded caused by braking, the motor is almost blocked state rotation. 3, the rotor shaft hole clearance and the gap between the impeller mouth ring is filled with sand so that the shaft brake caused overload. 4, individual manufacturers in order to win the pressure in the competition, artificially reduce the motor power.

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