D and DG type pump is a horizontal multi-stage centrifugal pump, the pump is suitable for in the transport of water and physical and chemical properties similar to water and other liquids.

D-type pump transmission medium temperature not greater than 80 degrees, it is used in mine drainage and factories and urban water supply; DG type pump transmission medium temperature is less than 105 degrees, applicable in small boiler feed water or conveying hot water and other similar occasions.