Get current pricing for Petro Chem, Petro Chem 1237 SQ. 1237 Sq. Ft 316lss Horizontal Heat Exchanger, Manufactured By Petro Chem. Rated For Shell- 150 Psi @ 600 Deg. F, Tube-150 Psi @ 600 Deg. F. Shell Pass . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: