... Head:8.5-35m Speed: 1450-2900r/min PW Waste Water Centrifugal Pump Capacity:36-120m3 / h Head:8.5 ... than 80 °C with acidic, alkaline or other corrosive water, widely used in chemical, petroleum, light industry, food, ... environmental protection industries. PW-type pump for pumping polluted water liquid liquid temperature does not exceed 80 °C, ... enterprises of the department used to exclude water.