Get current pricing for Yula, TBD Sq. Ft. Yula Sta Used Tbd Sq. Ft. Yula Stainless Steel U Tube Heat Exchanger. Shell Rated 150 Psi At 350 F. Tubes Rated 150 Psi At 350 F. Serial #15554. Built 1994. . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: