American Standard / ITT Stainless Steel Shell and Tube Heat Exchanger. Model: SSCF. Two-pass design. Approximate heat transfer surface area: 39 sq. ft. Material of construction: 316 stainless steel. Inside shell: 105 tubes on each pass, total of 210 tubes. Inside dia. of tubes: 0.350 in. Tubes length: 2 ft. Respective shell and tube side design pressures at corresponding temperatures: 225 psi at 400°F and 150 psi at 400°F. Inlets/outlets: (2) 2-5/8 in. FNPT ports. (2) 3-3/8 in. FNPT ports. Overall dimensions: 2 ft. 10-1/2 in. L x 10 in. W x 1 ft. 1-3/8 in. H.