FREE-VALVE Intelligent WCB body manual operating three way reversing slurry globe valve is installed in front or behind of the tank of alumina production .As the valve is an integral assembly valve, it realizes the dual or multi-purpose of one valve, which greatly optimize the past aluminum oxide plant reverse process installation structure, and also facilitates the mutual cooperation and conversion process of the inverted process system. The valve is widely used in alumina, metallurgy and other industries with slurry medium .