... (mm)A-first reconstruction, Y-centrifugal oil pump, S-first impeller double-suction,,material code of over-current partsI-class HT12547 ... -single-stage lift (m) 2-stageB,the orders of C-impeller cutting times are represented by A, B.......Structure:AY-type ... water temperature above 66 and hydrocarbon temperature over 150.The impeller is mono-block cast and static balancing. Its axial force ...