Get current pricing for Oem, OEM-37186-ID Used Approx. 140 Sq. Ft. Vertical Heat Exchanger. Stainless Steel Tube Side Rated 70 Psi @ 212 Deg. F. 12 Dia. X 12' Long. Steel Shell Rated 75 Psi @ . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: