Get current pricing for Alabama Heat Exchanger, 20 Dia. Alabama Hea 20 Id X 22', Tt. 316l Stainless Steel Packed Type Column. Rated 75 Psi @ 300 Deg. C. Mfg. By Alabama Heat Exchanger. Packing Type Acs Style X-100, . Product Category: Process Equipment, Sub Category: Process Columns: