... : 2~336m3/s,Head: 84~666m 2,mine water pump 3,underground mine water pump Type D,DG,MD,DF,DY Multi-stage Centrifugal ... solid particles, the temperature of liquids is -20°C~105°C. Type DY pump is used for delivering oil and petroleum products ... and viscosity below 120 centistokes , the temperature of liquids is -20°C~105°CNomenclature : D(DG,MD,DF,DY)85-67 ...