Get current pricing for Api Ketema, 92 Sq. Ft. API Ketem 92 Sq. Ft. Horizontal Stainless Steel Shell & Tube Heat Exchanger. 316-ss Shell Rated 150 Psi @ 350 Deg F, 316-ss Tubes Rated 110 Psi @ 350 Deg F . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: