Used 891 Sq Ft. 316-SS Spiral Heat Exchanger. 316-SS Shell: 74 PSI @ 228 deg F; 316-SS Tube: 74 PSI @ 228 deg F. Heads: 316L-SS Clad. 3' 8" Shell diameter. 6' Tube length (OAL - 7'). Shell nozzles: (2) 8"; Tube nozzles: (2) 8". Built by Alfa Laval (France), 1985.