... wear-resistant, energy saving, beautiful appearance, easy maintenance WQP series stainless steel submersible sewage pump uses a unique single, double channel impeller ... five times the fiber diameter through the pump, the pump outlet diameter with a diameter of about 50% of the ... h, head 5 ~ 40m, Voltage 110 ~ 660v, Frequency 50 ~ 60HZ, outlet diameter 40 ~ 200mm (11 / 2 "-8")2, for construction of ...