... millimeters fine grain like iron, tin, tungsten, tantalum-niobium, gold ore, coal mine, monazite, rutile, zircon and other metals ... test chamber.Feature & Benefits of spiral chuteReasonable structure and small occupation areaHigh recovery, high efficiency, and precise separation, ... )156013601060700460Width(mm)156013601060700460Height(mm)52305230400026001500Weight (Kg)80060040015050 gold spiral chute