USED-PROCESS ENGINEERING AND MACHINE MULTIPLE PASS SHELL AND TUBE HEAT EXCHANGER, 886 SQ FT, HORIZONTAL. 316 STAINLESS STEEL SHELL RATED 50 PSI @ 175 DEG.F..(282) 1″ DIAMETER X 144″ LONG. 316 STAINLESS STELL TUBES RATED 150 PSI @ 150 DEG. F..316 STAINLESS STEEL TUBESHEET, CARBON STEEL HEADS. OPENINGS SHELL (2) 4″, 10″, HEADS (2)6″