Recently, Changsha Hunan Hunan Electric Pump Factory developed C720 vertical multi-stage bagged condensate pump passed the expert appraisal. Experts believe that Hunan Hunan Electric Changsha Pump Factory in the production of 600MW or more large-scale thermal power generating units supporting equipment, reached the leading domestic level of similar products. In the appraisal meeting, Hunan Electric Changsha Pump Factory Li Pujiang, deputy chief engineer introduced the structural performance of C720II-4a-type condensate pump; the main designer Zhang Guoping pump trial summary report describes the pump design, process characteristics and flow head Speed ​​and other parameters of efficiency and product innovation. After the experts reviewed, asked questions and discussed in succession, they successfully passed the appraisal of C720 vertical multi-stage bagged condensate pump.