... 2,mine water pump 3,underground mine water pump Type D,DG,MD,DF,DY Multi-stage Centrifugal Pump:The serial pump ... of liquids is -20°C~105°CNomenclature : D(DG,MD,DF,DY)85-67×3 D—Multi-stage horizontal centrifugal pump, DG—Multi ... point,3—The stage number is 3 stageConstruction feature :Type D (DG,MD,DF,DY) pump consists of stator, rotator, bearing and ...