... For municipal construction, environmental protection, sewage treatment, overpasses, water supply companies,paper, etc DescriptionWQ series submersible sewage pump is a new energy-saving product ... and mechanical integration, pumps and electric coaxial, under the pump structure, outside-mounted and at the same time into the ... mm): 50-600Capacity (m3/h): 50-5660Head (m): 7-52 WQ series sewage pumps