Thermal Performance | 8480A Series
Combustion air preheat vs. burner capacity vs. radiant tube exhaust temperature+ in degrees Fahrenheit*
Burner Capacity
Radiant Tube Exhaust Temperature
Recuperator
Sections
°F
( Btu/h HHV)
1,200
1,400
1,600
1,800
2,000
4X 4X 4X 3X 3X 3X 4X 4X 3X 3X
800,000 600,000 400,000 800,000 600,000 400,000 600,000 400,000 600,000 400,000
426 457 507 390 420 468 474 535 435 496
509 547 606 465 502 560 568 640 522 594
583 630 702 529 575 647 656 743 599 688
632 694 784 561 623 716 725 832 651 765
699 758 853 664 691 780 785 910
8480A-700
8480A-600
715
824
Combustion air preheat vs. burner capacity vs. radiant tube exhaust temperature+ in degrees Celsius*
( kW LHV) Burner Capacity
Radiant Tube Exhaust Temperature
Recuperator
Sections
°C
650 219 236 264 199 216 242 246 279 224 258
760 265 286 319 241 261 293 298 338 272 312
871 306 332 372 276 302 342 347 395 315 364
982 333 368 418 294 328 380 385 444 344 407
1,093
4X 4X 4X 3X 3X 3X 4X 4X 3X 3X
212 159 106 212 159 106 159 106 159 106
371
403 456
8480A-700
351
366 416 418 488 379 440
8480A-600
* Based on 10% XSA operation + See North American Handbook Supplement #290, Estimating Radiant Tube Exhaust Temperature.
Bulletin 8480A page 4
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