Used 1143 sq. ft. Futura Titanium Corp. 2 pass shell and tube heat exchanger, Type BEM 24-2-144. Titanium tubes and bonnets with 316L stainless steel, tube sheets and shell, with (486).75" diameter tubes 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" tube inlet/outlet, 24" diameter x 12' long tube bundle, serial# 12757B, National Board# 46, new 1975.