... finenesses 4. high eff 1.OperationPrincipleLF series powder screens classifier industrial is composed of feeding pipe, main body,skirt ... the upper nozzle viaclearance of rotor vane along with airflow, then enter into collector, coarseparticles get further classification ... in closed path.3.Application RangeThis system is an air classifier, suitablefor non-sticky material, it can classify spherical, ...