... 8 inch pump Capacity :80m3/h Iron sand ore dredging equipment with ISO 9001:2008 Certification HullDimension ( ... hHead 15 m Fitted Power 20HP diesel engine Magnetic Separation Equipment (permanent magnet roller type) one setSize3000*900mm ( ... dredger , self- propelled dredger , gold panning dredger , iron extracting dredger, iron extracting equipments , sand sieving machines, crusher , weathering sand ...