1992 Ketema Inc. Heat Transfer Division DXMB Shell and Tube Heat Exchanger. Model: 607-Q-SP-1C. S/N: U9224129. P/N: 410-00200-002. Nat'l Bd: 5402. Tube material: carbon steel. Number of passes: 4. Number of tubes: 55. Tube dimensions: 1/2 in. dia. x 7 ft. L. Heat transfer surface area: 50.4 ft. sq. Tube volume: 4 gal. MAWP shell side: 300 psi @ 200 °F. MDMT shell side: -20°F @ 300 psi. MAWP tube side: 300 psi @ 300°F. MDMT tube side: -20°F @ 300 psi. Inlets: (1) 1/2 in. dia. product feed, (1) 1-1/2 in. dia. media feed. Outlets: (1) 3/4 in. dia. media discharge, (1) 3/4 in. dia. media drain, (1) 1 in. dia. bevel with hex safety relief, (1) 1-1/4 in. dia. product discharge. Overall dimensions 4 ft. L x 1 ft. 2 in. W x 10 ft. 7 in. H.