Cherry Burrell Thermutator Scraped Surface Heat Exchanger - Type 672 L&S. Serial No 1752. Heat Transfer Surface Area 9.0 sq. ft. per tube. Max Product Pressure 400 psi. Max temp 400F. 2 x 15hp Motors with Danfoss Variable Speed drives. 2 Spare Rotors. The Thermutator is used to heat or cool products that cannot be continuously processed by other type of heat exchangers. Products that would be used with this application: heat sensitive film forming highly viscous have a particle size od delicacy that cannot be accomodated by other heat exchangers.