ISG vertical single-stage single-suction centrifugal pump, can transport water and physical and chemical properties of similar Yu Qingshui other liquid and is applicable to industrial and urban water supply and drainage, pressurized water supply in high-rise building, garden sprinkler irrigation, fire pressurization, long-distance transmission, hvac refrigeration cycle, cold and hot water circulation pressurization in the bathroom, etc, and form a complete set of equipment, using temperature T < 80 ℃.