225 Sq. Ft. Titanium Limited (Canada) Titanium (SB-265) Vertical One-Pass Shell & Tube Heat Exchanger. Shell rated 125psi @ 350�F; Tube side rated 25psi/FV @ 350�F. Serial # 50365; (48)-1.5" OD Tubes 12' Long. Shell dimensions: 16" dia. x 14' OAL with Heads. National Board # 210; Built 1996. Estimated Weight: 1,300 lbs