Submersible type Dewatering pump Auto-overload protection 3 Ph 380V/460V 50hz/60Hz, single phase 220V/230V 50Hz/60Hz I. General introduction1. Product features1.1 WQK series submersible dewatering pump mainly used in structure site, road, building etc. for dewatering system.1.2 WQK series pumps are bottom suction type submersible pump, the impeller fitted on the end of motor shaft, no coupling ...