vertical centrifugal pump 1 flow rate 1~6m /h 2 head ... series is single-suction,multi-level ,sub-type,vertical centrifugal pump, flow rate 1~6m ³/h,head 24-176m,transmission ... steel, therefor this series of pumps with small size,light weight,high efficiency,operating balance, long service life and ... food ,medicine,etc.). If the material of the pump inlet section and outlet section changed from cast iron ...