Used 100 Sq. Ft. Allegheney Bradford Sanitary Construction 316 Stainless Steel horizontal shell and tube exchanger. U-tube. Rated 150 psi @ 350 F on the shell; 150 psi @ 350 F on the tubes. Built 1996. Serial #11112-1. U-Stamped. Shell is Approx 9" diameter x 7' length. Shell openings: 1-2"; 1-3"; 2-1" NPT. Unit has (88) 7/16" ID tubes.