... return pump. Classification of Self-suction Pump1. according to material, there are SUS304 and SUS3162. according to motor species, ... divided into ordinary motor, ABB motor and explosion-proof motor. Usages of Self-suction Pump1, suitable for urban environmental protection, ... brewing, electric power, electroplating, papermaking and equipment cooling, etc.2, put on a swing arm sprayer, the water can go ...