Terlet's bottom-driven processing vessels deliver 30% better mixing action without dead spots at the bottom or around the shaft, according to the company. Their design permits the inner cylinder to be heated or cooled to enhance the process, and there are no seals or bearings in the product zone, which helps prevent contamination of the product, says the company. They can be used for the cooking or cooling with mixing and blending of various products in atmospheric, vacuum or pressure conditions.