93 sq.ft. horizontal 316-SS shell and tube heat exchanger. MFD by: Manning & Lewis, 1994, NB stamped. 316-SS Tubes rated 450 PSI @ 250° F. 316-SS Shell rated 450 PSI @ 250°F. 316-SS Heads. Shell: 1 pass, Tubes: 2 pass. Shell dia: 6â€, Tube dia: .625†x 15' long. 38 Tube Holes, Tube Wall – 16 BWG. Shell has 3-(1)" nozzles, Tube nozzles: 3-(1â€). Previous use: Recovery system Economizer. Data sheets on file.