... , ball mill, Raymond mill) go form a closed circuit.2, Wide Grading Range : d 97 =4~15um; only ... um.4, The horizontal grading rotator, made of abrasion resistant materials, is featured by stable operation and sustainable service life. ... limestone, smelt and grading for grading for pesticide and other chemical materials. 316L integral classifier steel, jet mill, air mill, pulverizer, milling machine