Screen Precleaner/ Grader in 0. 25- 50 TPH Capacity is designed with efficient ball cleaning mechanism ensures that the screens are non-clogging and give maximum performance. The Screen Precleaner/ Grader is manufactured to precision using positive eccentric drive principle for accurate separations and grading operations. The Screen Precleaner/ Grader is available in a capacity of 0. 25 TPH to 50 TPH. Screen Precleaner/ Grader in 0.25- 50 TPH Capacity comes in sturdy tubular steel frame and support structure which ensure strength and durability.