1993 Cherry-Burrell Corrugated Tube-in-Tube Heat Exchanger - 19 Tubes. Product tubes and media tubes are constructed of 316 stainless steel. Frame is constructed of 304 stainless steel square tubing. Set up to run with (5) tubes, this unit and was used to raise the temperature of the product (cream of corn) from 80ºF to 180ºF at a flow rate of 90 gpm with a media (hot water) temperature change of 270ºF to 185ºF at a flow rate of 220 gpm. Inner tube dimensions: 4 in. dia. x 20 ft. 1 in. L. Holding capacity: 11.8 gallons. Outer tube dimensions: 6 in. dia. x 19 ft. 7 in. L. Holding capacity: 15.05 gallons. Inner/outer tube thickness: 0.210 in. Shell side MAWP: 200 psi @ 200ºF. Jacket side MAWP: 150 psi @ 200ºF. Frame dimensions: 15 ft. 3 in. L x 1 ft. 8 in. W x 6 ft. 2 in. H. One rack is available, with 8 tube hanging capacity (one set of hanger bars missing). Overall dimensions: 20 ft. L x 6 in. W x 9 in. H. (ACN717a).