Get current pricing for Struthers Wells, 7,596 Sq. Ft. Struth 7596 Sq Ft (mfd By Struthers Wells) Horizontal Shell & Tube Heat Exchanger, Cs Shell Rated 167 Psi @ 350 Degrees F. (1759 Tube Holes) 3/4 304-ss Tube . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: