Heat exchanger, manufactured and certified by ward tank CORP., type horizontal, manufactures serial no. W-1837, drawing no. 92-W-1837, national board no. 692, year manufactured 1991, mawp: fv &150 at max temp. 500 deg f, tema type bem (FRONT stationary head type b= bonnet integral cover; shell type e= one pass shell; rear end head types m= fixed tube sheet like "B" stationary head) size 8-96, area 44 FT2, tube type bare, # holes 28, length 96in, layout 1.0 in tri, tube- ts joint strength weld, baffle type single segmental, cut 41% v no. 4, baffle spacing (C-C) 23.75 at inlet 7.0125 in, impingement protection on bundle, code asme sec viii div. 1, tema class r, weight empty 745, full 962, bundle 253 lb; component: nozzle a outlet, O.D.: 3.31, THK.: 0.655, materials of construction: 300# ansi L.W.N.FLG SA-182 with SA-182 F340L hi alloy steel forg; component: nozzle b inlet, O.D.: 3.31, THK.: 0.655, materials of construction: 300# ansi L.W.N.FLG SA-182 with SA-182 F340L hi alloy steel forg; component: nozzle c inlet, O.D.: 3.25, THK.: 0.625, materials of construction: 150# ansi L.W.N.FLG SA-105 with SA-105 carbon steel forg; component: nozzle d outlet, O.D.: 2.0, THK.: 0.5, materials of construction: 150# ansi L.W.N.FLG SA-105 with SA-105 carbon steel forg; component: nozzle e vent, O.D.: 2.62, THK.: 0.56, materials of construction: 150# ansi L.W.N.FLG SA-105 with SA-105 carbon steel forg; component: nozzle f drain, O.D.: 2.75, THK.: 0.625, materials of construction: 300# ansi L.W.N.FLG SA-182 with SA-182 F340L hi alloy steel forg; component: nozzle g drain, O.D.: 2.75, THK.: 0.625, materials of construction: 300# ansi L.W.N.FLG SA-182 with SA-182 F340L hi alloy steel forg; component: shell cylinder, O.D.: 8.625, thk: 0.277, materials of construction: SA-53 gr b sml steel pipe, component: head cylinder, O.D.: 8.625, THK.: 0.148, materials of construction: SA-312 TP304L sml hi alloy pipe, component: head covers, O.D.: 8.625, THK.: 0.125, materials of construction: SA-240 gr 304L hi alloy steel pit ellipsoidal cover, component: tube sheets, O.D.: 13.0625, THK.: 1.375, materials of construction: SA-240 gr 304L hi alloy steel pit, component: head flanges at tube sheets, O.D.: 13.0625 THK.: 1.4375, materials of construction: SA-182 F304L hi alloy steel forg hub flange, component: head gasket at tube sheets, O.D.: 10.1875, THK.: 0.125 materials of construction: SPRT-WND metal fiber stainls periph. Width 0.375 in with graphite filler, component: head bolting at tube sheets, O.D.: 0.75, THK.: materials of construction: SA-193 b7 steel blt 12 bolts on 11.4375 in B.C., component: tubes, O.D.: 0.75, THK.: 0.083, materials of construction: SA-249 TP304L wld hi alloy tube bare tubes, component: baffles, O.D.: 8.0, THK.: 0.25, materials of construction: SA-285 gr c steel pit, component: expansion joints, O.D.: 13.625, THK.: 0.25, materials of construction: SA-516 gr 70 steel pit flange and flued type. Component: shell supports, O.D.: THK.: 0.375, materials of construction: SA-285 gr c steel pit; design specifications; design pressure psig shell side: 150 &FV, tube side: 240, test pressure psig; shell side: code, tube side: code, design temperature f; shell side: 500, tube side: 500, number of passes; shell side: 1, tube side: 4, corrosion allowance in, shell side: 0.125, tube side: 0.0, radiographing; shell side: full, tube side: FULL,; pressure vessel