These Versatile units with counter-rotating efficiency, are designed for processing application where a combination of gentle blending and folding is needed alongwith thorough mixing. Heavy and viscous products are both lifted from the bottom and pulled down from the top at the same time. And because of the design, dead zones are eliminated. A fully enclosed and sealed drive prevents products contamination, bushing is easily removed and cleaned. Provision for heating/cooling jackets, vacuum/pressure capability.