1997 Alfa Laval Contherm Scraped-Surface Heat Exchanger. Model: 6 x 9. S/N: HC6273NCC. Materials of construction: cylinder is chrome plated nickel with a non-staggered, stainless steel rotor. This unit is capable of holding six scraping blades. Belt driven. With working temperature ranges of: -30°F to + 300°F and a maximum working pressure of: 300 psig (20 bar) product side and 250 psig (17 bar) media side, these Contherm scraped-surface heat exchangers are specifically configured to provide efficient and gentle treatment of varieties of shear-sensitive products or particulates by placing products under varied shear for mechanical mixing and scraping. Although specifically designed for the food industry, the Contherm is designed to meet the strictest of sanitary standards and is widely used for aseptic processing applications, also having CIP capability. With the options of being mounted horizontally or vertically, it is ideal for heating or cooling particulate, sticky, viscous and crystallizing / phase-change processes. Jacket inlet/outlet: 2 ½ in. FNPT. Overall dimensions: 6 ft. 9 in. L x 1 ft. 6 in. W x 3 ft. H.