Get current pricing for Oem, 150 Sq. Ft. Rubicon Stainless Steel Approx 150 Sq Ft, Shell & Tube (u-tube) Heat Exchanger. 304-ss Shell Rated 150 Psi @ 300 Deg F, 316-ss Tubes Rated 150 Psi @ 300 . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: