submersible pump/DN400-500

submersible pump/ manufacturer(sewage pump, submersible sewage pump) Medium temperature not over 60 °C, Weight density 1.0-1.3 kg/dm3, PH value within 5-9. Pump of a circulated cooling system without internal self-flow, the portion out of the liquid surface of the motor not over 1/3. The pump has to be used within the range of the head for use, in general, to make sure of the motor without overloaded. please make a note at order if desired to use in the full head range so as for the manufacturer to make. The current of the pump's motor should not be over the rated current of the motor in running.