Boema S.p.A. designs and manufactures reactors for the preparation of products for the cosmetic and pharmaceutical sector. They are tanks that can work under high pressures or under vacuum, with even really complex stirrers (for example with two counter rotating elements). In designing these tanks a particular attention is given to the possibility to clean the surfaces and to the superficial finishing to make them safe and easy to be cleaned. The correct temperature of the product is granted by the cooling interspace on the bottom and on the cylindrical plating of the tank. The shape of the interspace is designed by Boema to grant an optimal circulation of the heating fluid and an high reliability: all the interspaces are tested for 6 bar. To minimize the thermal dispersion, the heated parts are covered with a high density isolating layer, closed into an outer jacket made of stainless steel and completed welded.