DESC: The VARIMIXER W40P planetary mixer has a heavy-duty variable speed drive system. The mixer frame consists of a column with welded-on feet, and a top traverse closed by a stainless steel cover.The bowl is mounted in bowl arms, which raise and lock simultaneously. An oil damper compensates and smoothes lowering of the bowl. The column contains the motor and the bowl arm mechanism. The top traverse contains the transmission system consisting of moveable pulleys and the planetary head. Start and stop push buttons are mounted on a frontplate along with the contactor and the motor overload. A 15 minute electrical timer with HOLD feature is standard.