Used 1550 Sq. Ft. horizontal Shell & Tube Heat Exchanger. CS Shell rated 150 PSI @ 300° F, SS Tubes rated 200 PSI @ 300° F. (592) tubes 1.25†OD X 8’. Shell diameter: 43â€, Shell: 1 Pass; Tubes: 1 Pass. Shell openings: (2) 6â€, Top Head: (1) 3â€, Bottom Head: (1) 10â€, (1) 6†CBO. Manufactured by Manning Lewis, Model# 42-96, S/N: 8554, Type BEL, NB# 4473