Designed for heating and cooling liquid and gaseous media in technological processes of the oil refining, petrochemical, chemical and gas industries. The devices can be operated at temperatures of heat exchange media from minus 30°C to plus 540°C, with a pressure in the casing of 5.0-8.0 MPa. The inner diameter of the casing is 800-1200 mm, heat exchange surface is 179-924 m2