... , overpasses, water supply companies,paper, etc DescriptionWQ series submersible sewage pump is a new energy-saving product in China nineties, performance ... of long fibers. Widely used in municipal construction, environmental protection, sewage treatment, overpasses, water supply companies, power plants, mining, paper, ... (mm): 50-600Capacity (m3/h): 50-5660Head (m): 7-52 WQ series sewage pumps