With infinitely variable rotor speed, Model CIM-18-S316 grinds friable powders, flakes, and granules into controlled particle sizes ranging from coarse to fine. Both outer and inner discs can swing away from unit on cantilevered arms, providing access to both sides of both discs and mill housing for cleaning and sanitizing. Constructed of 316 stainless steel, mill features sanitary butterfly valve on air intake, sanitary fittings at material intake and discharge, and wash-down-duty motor.