... ; 4.Rotary speed: 580-2900r/min; Plastic Vertical submerged pumpTechnical parameter: Capacity: 8-2600m3/h; Lift ... seal, and make the pump can have high efficiency, without leak, long lifestyle. And it ... can be used for petroleum, chemical, medicine, paper making, metallurgy, sewage treating etc. 1. The pump is vertical ... efficiency of the pump. CYH series vertical submerged pump