Balief Corporation conical vacuum dryer is a vacuum contact closed system. Which has indirect heating of the product. (E.g. hot oil, hot water) It is particularly suited for drying pharmaceutical, food, chemical, hazardous and toxic products to a very low final moisture content. The product quality after the drying process is reproducible and as good as that of the initial product, whereas the driving forces required are very low. The achievable, high end vacuum ensures low drying temperatures which is a clear advantage when drying temperature-sensitive products.