Webster JBE Series, Operation, Maintenance & Installation Manual

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Page 7 Section B- Components JBE(X) Manual
No FGR 30 & 60 ppm NOx 20 ppm NOx
Max. Firing Rate
(GPH)
Figure A-3 - General Ratings
Nat. Gas or Propane
Model
Min. Firing Rate
(MBH)
Max. Firing Rate
(MBH)
Min. Firing Rate
(GPH)
Standard w/FGR Standard w/FGR Standard w/FGR Standard w/FGR
JBE(X)5*-50J 1,240 1,030 14,900 12,370 11 9 106 88
JBE(X)5*-75J 1,360 1,130 16,350 13,570 12 10 117 97
JBE(X)5*-75K 1,640 1,360 19,760 16,400 14 12 141 117
JBE(X)7*-100K 1,880 1,560 22,600 18,760 16 13 161 134
JBE(X)7*-150L 2,290 1,900 27,500 22,820 20 16 196 163
JBE(X)7*-200M 2,980 2,470 35,800 29,710 26 21 256 212
JBE(X)7*-250M 3,190 2,650 38,300 31,800 27 23 274 227
JBE(X)9*-300M 3,580 2,970 43,000 35,690 31 25 307 255
JBE(X)9-400M 4,750 3,940 57,000 47,310 41 34 407 338
JBE(X)9*-500N 5,000 4,150 60,000 49,800 43 36 429 356
JBE(X)9*-600P 5,670 4,700 68,000 56,440 49 40 486 403
JBE(X)9*-750P 6,170 5,240 74,000 62,900 53 44 529 439
Figure A-4 Furnace Conditions
Input
BHP
Input
MBH
Min. Furn.
Length
Min Furn.
Dia.
Max
Heat Rel.
Min Furn.
Dia.
Max
Heat Rel.
Min. Furn.
Dia.
Max Heat
Rel.
200 8369 116 26 185,000 26 175,000 28 165,000
250 10461 128 27 185,000 28 175,000 29 165,000
300 12553 138 29 185,000 30 175,000 31 165,000
350 14645 146 31 185,000 32 175,000 35 165,000
400 16738 154 33 185,000 35 175,000 36 165,000
450 18830 160 34 185,000 36 175,000 39 165,000
500 20922 166 35 185,000 37 175,000 42 165,000
600 25106 177 38 185,000 39 175,000 44 165,000
700 29288 185 39 185,000 41 175,000 46 165,000
800 33472 192 41 185,000 43 175,000 48 165,000
900 37656 200 42 185,000 44 175,000 50 165,000
1000 41840 205 43 185,000 46 175,000 52 165,000
1100
46024 210
44 185,000 47 175,000 53 165,000
1200 50208 215 45 185,000 48 175,000 54 165,000
1300 54392 220 46 185,000 49 175,000 56 165,000
#2 Fuel Oil
*Can be “G” (Gas), “O” (Oil) or “C” (Combination Gas/Oil)
(X) Optional FGR for low NOx operation
Note: Length & Diameter in inches. Heat release in BTU/cu.ft.