3439 Sq.Ft. Alfa Laval Compabloc Heat Exchanger Year 2013 Unused Model CPX75-V-500 Surface Area: 3439 SF. Vertical. Carbon steel shell A side rated 500 psi/full vacuum at -20 to 350 degrees F. (500) 316L Stainless steel plates B side rated 385 psi/full vacuum at -20 to 350 degrees F. (4) Passes on the cold side (4) passes on the hot side. Openings: shell (4) 12” (4) 2”.