Get current pricing for Heat Transfer Equipment C, 3,139 Sq. Ft . Heat 3139 Sq Ft. U-tube Heat Exchanger. Mfg By Heat Transfer Equip Co, 1988. Carbon Steel Shell (sa-516) Rated 150 Psi @ 500 Deg F, Stainless Steel Tu . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: