Used 125 Sq. Ft. Allegheney Bradford Sanitary Construction 316 Stainless Steel horizontal shell and tube exchanger. U-tubes, 4 pass on tubes. Rated 150 psi @ 350 F on the shell; 150 psi @ 350 F on the tubes. Built 1996. Serial #14227-1-1. U-Stamped. Shell is Approx 9" diameter x 9' length. Shell openings: 2-4"; 2-1" NPT. Unit has (108) 5/16"ID tubes.