Specifications include, but are not limited to: Data for design MAOP: 1,200 PSIG Max NOP inlet pressure 600 PSIG Minimum inlet pressure 400 PSIG Minimum outlet pressure 150 PSIG Maximum flow 100 MCFH Inlet temp: 40 deg f Heater outlet temp 45 deg f Station outlet temp 78 deg f Glycol type and ratio water to glycol inhibited ethlyene 50/50 process fluid natural gas specific gravity 0.6 gas BTU 1,060 ft3 103,817 BTU Heater firing rate 200,000 BTU/HR Burner firing rate 285,714 BTU/HR Maximum bath temperature 180 deg f Proposed heater sizing Calculated heat load necessary Operating bath temperature 158 deg f Heater shell/ Stack/ Expansion tank design code API 12k Heater shell diameter 24 inch Heater shell length 96.00 inches Heater shell thickness 0.250 inch Shell fluid capacity Stack material carbon steel Number of stacks one (1) Stack diameter 6.630 inches Stack height 96 inches Exiting stack temp 875 deg f Number of fire tubes one (1) Fire tube o.d. 6.630 Fire tube length required 156 inches Flux rate 8,863 BTU/HR3 Expansion tank material carbon steel Expansion tank insulated no Expansion tank diameter 10.750 inches Expansion tank length 30.00 inches Percent of shell fluid capacity 7.42% Process coil ASME sec viii div 1 National board u-stamp Radiography type & percentage 100% x-ray Fabrication code standard Process coil MAWP 1200 PSIG Design temperature -20 to 120 deg f Pipe o.d. size 2.375 inch Pipe wall thickness 0.218 Corossion allowance 1/16 Surface area required 20.43 ft2 Min. test pressure: 1800 PSIG hydrotest for 4 hr min Header no. Header size & wall thickness 2.375 inch 0.218 inch Number of parralel paths 1 Number of passes per path 6 Total number of pipes 6 Total straight length of pipes 39.00 ft Designed surface area 24.52 ft2 Tube side wall velocity @max inlet PSIG 27.8 Inlet flange size & rating 2.375 inch Ansi 600# Tube side wall velocity 2 min PSIG Outlet flange size & rating 2.375 inch Pressure drop across coil 1.51 PSIG Header TSV@ max inlet PSIG 27.80 ft/sec Header TSV @ min inlet PSIG NA Fuel gas preheat coil 1.32" o.d. Sch 80x 64 inch long. To be tested to 1500 PSIG
