Two/ Three Deck type Screen Precleaner/ Grader is manufactured to precision using positive eccentric drive principle for accurate separations and grading operations. The Screen Precleaner/ Grader is designed with efficient ball cleaning mechanism ensures that the screens are non-clogging and give maximum performance. The Screen Precleaner/ Grader comes in sturdy tubular steel frame and support structure which ensure strength and durability. Two/ Three Deck type Screen Precleaner/ Grader is available in a capacity of 0. 25 tph to 50 tph