Get current pricing for Alfa Laval, 891 Sq. Ft. Alfa Lav 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 . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: