Get current pricing for Oem, 28-192 1075 Sqft. All 316 Stainless Steel Heat Exchanger. (348) 316 Ss Tubes @ 3/4 Od X 16' L. Shell Is 316 Ss, 28 Dia X 19' Oal. Heads Are 316 S . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: