Used 1156 sq. ft. Futura Titanium Corp. shell and tube heat exchanger, Titanium tubes and bonnets with 316L stainless steel tube sheets and shell, with (486) .75" diameter x 12' long tubes rated 75 psi at 350 F, shell rated 60 psi and full vacuum at 350 F, 18", 8", 4" shell inlet/outlet, 8" tubes inlet/outlet, 24" diameter x 12' long tube bundle, serial# 12757B, national board# 46, new 1975.