2001 Alfa Laval M6 Plate Heat Exchanger. Model: M6 - MFG. P.O. no: 73066. (31) 316 stainless steel plates. Individual plate heat transfer surface area: 7-1/4 in. W x 2 ft. 3 in. H. Total surface area of heat transfer: 42.18 sq. ft. MAWP: 150 psi @ 300ºF. MDMT: -20ºF @ 150 psi. Inlets/outlets: (4) 2 in. S-line. Heat exchanger dimensions: 1 ft. 10 ¼ in. L x 1 ft. ¾ in. W x 3 ft. 3/8 in. H. Overall plate dimensions: 9-5/8 in. W x 2 ft. 5-1/2 in. H. Overall Dimensions: 2 ft. 2 in. L x 1 ft. 1 in. W x 4 ft. 4 ¼ in. H.(ACN36).