It is used for removing the heavy impurities such as iron, book nail, ash, sand and the broken glass block etc. It can reduce the wear of the next equipments and improve the quality of the pulp. It has long cone & high efficiency.

It is used for getting rid of heavy impurities and parts of light impurities. Its pressure chamber design helps to improve the fluid dynamics, reduce the pressure and saves energy 25 to 35%. It is also suitable for purifying middle & low consistency pulper.