... which is a horizontal, cantilever, single-stage, single suction centrifugal pump and comply with DIN24256, ISO2858, GB5662-85, API685 ... Structure CharacteristicsPump Body: Foot supporting structure.Impeller: Closed impeller, The balance of pump impeller axial force depends on the difference ... faces between front and back cover of the impeller and the impeller balance holes. The end-thrust bearing bear ...