hydraulic pump flanges 1 made of cast iron 2 100% factory price ... irrigation and drainageSingle-stage,single suction,horizontal centrifugal mixed flow pump.Smaller size,lighter weight,high efficiency.It is easy to ... is not easy to block.HW series mixed flow pumps are made up of pump cover,impeller,pump casing,pup shaft,bearing sleeve ... engine. 2011-1 new 2011 New style of Low-lift hydraulic pump flanges