... protection, sewage treatment, overpasses, water supply companies,paper, etc DescriptionWQ series submersible sewage pump is a new energy-saving product in ... the leading domestic level.For single-stage pumps, vertical, axial inhalation, electrical and mechanical integration, pumps and electric coaxial, under the pump ... ): 50-600Capacity (m3/h): 50-5660Head (m): 7-52 WQ series sewage pumps