SP series are designed for intermediate pressure values. Wide variety of applications installed up to now include calcite, lime (quick/slaked lime), dolomite, barite, bentonite, kaolin, and coal classifying plants.

Certain level of particle size can be limited by adjustable rotor rpm. and an air damper. SP series are sufficient for particle size range of 40-750µm. New generation SP series operate together with a cyclone and fan in closed circuit. A secondary air circuit passes through a jet pulse filter for de-dusting.

Over years, system optimization is applied in order to increase the classifying efficiency values. Equipment selection is done due to the material properties and capacity requirements. Depending on the material properties and particle size distribution of the feeding material, measured classifying efficiency values of actual systems lay within the range of 40-73%.

It is a common fact that, one of the most important factor that affects the capacity and the reliability of the classifying systems is the prevention of coarse particles in the final product. SP series are equipped with mechanical labyrinth systems for coarse particle prevention in intermediate pressure values. Additional automatic pneumatic circuit cutters are placed considering the case of power cuts.

- Feeding Unit: Material is fed by rotary vane feeders.

- Classifying Unit: SP series dynamic air classifier. 

- De-dusting System: De-dusting is done by a jet pulse filter.

- Air Circulation: Air is circulated by an industrial radial fan with relevant volume rate and pressure.