DD series refiner is manufactured with license of Metso, Finland. It is available for continuous beating of chemical wood pulp, mechanical pulp and waste paper pulp. The equipment is furnished with automatic control system and can beat with constant power or constant energy consumption. The beating effect is stable.

DD-450	DD-550	Diameter of Plate(mm)	Φ500	Φ600
8~80	10~120	Power(KW)	132~200	185~315
3-5