APV Crepaco Plate Heat Exchanger. Model: R52. Stainless steel plates: (148). Heat transfer surface area: approx. 834 sq. ft. Inlets/Outlets: fixed end ports: (2) 3 in. dia. ACME (plugged), (1) 2 in. dia. I-Line fitting, (1) 2 in. dia. S-Line fitting (product). Divider #1: (2) 2-1/2 in. dia. S-Line fitting (product), (1) 1 in. dia. MNPT (media). Divider #2 : (2) 2-1/2 in. dia. S-Line fittings, (2) 2-1/2 in. dia. ACME fittings. Divider #3: (2) 2-1/2 in. dia. S-Line fittings (product), (1) 1 in. dia. MNPT (media). Movable end ports: (1) 3 in. dia. S-Line fitting, (1) 2 in. dia. S-line fitting, (2) 3 in. dia. ACME fittings (plugged). Overall dimensions: 9 ft. 3 in. L x 2 ft. 10 in. W x 7 ft. 5 in. H.