Cherry Burrell ThermaFlex Plate Heat Exchanger. Model: 217SB-1. S/N: 2273. Plate Construction: 304SS with EPDM gaskets. Number of stainless steel plates: (21). Heat transfer surface area: ~ 44.6 sq. ft. Maximum Plate Working Pressure: 227 psig. Maximum Frame Working Pressure: 100 psig. Total CIP Pressure Drop: 7 psig. Two-pass operation. Designed for the food industry, this heat exchanger meets quality and sanitary standards. The high turbulence and uniform flow reduces product fouling and benefits cleaning in place. Fixed end ports: (4) 2 in. dia. I-Line fittings. Movable end ports: (4) 2 in. dia. I-Line fittings. Overall dimensions: 2 ft. 5 in. L x 1 ft. 9 in. W x 3 ft. 9 ½ in. H. (ACN73)