Graders are used to grade food grains by virtue of their size. Used in a variety of grading applications including coffee, The grader is available in single and deck versions depending on the number of graders required and capacity.
We are Using Indian Coffee board standard grades.
Advantages
Large screens with perforation lowest tolerance of any wanted size, round and oblong hole perforations according to the customer standard. Automatic cleaning of the screen by means of massive rubber balls underneath every screen.
Coffee Grades Screen Size
AAA :- 7.50 Round Holes
AA :- 7.14 Round Holes
A :- 6.65 Round Holes
B :- 6.00 Round Holes
C :- 5.00 Round Holes
Bits:- 3.50 Round Holes
P Bre1 :- 4.75 Round Holes
P Bre2 :- 4.30 Round Holes
