Capacities | Flame-Jet ™
Bulletin 4545 Page 3
Table 1. Combustion air capacities, scfh (for Btu/h HVV, multiply by 100)
Burner
air pressure drop across the burner in osi
designation
0.1
1
5
6
8
12
16
4545-6 4545-7
1 180 2 070 3 350 5 360 9 840
3 710 6 540 10 600 17 000 31 100
8 300 14 600 23 700 37 900 69 600
9 100
10 500 18 500 30 000 48 000 88 000
12 800 22 700 36 700 58 800 108 000
14 800 26 200 42 400 68 000 124 000
16 000 26 000 41 600 76 200
4545-8-A 4545-8-B
4545-9
Table 2. Flame characteristics with natural gas
Stability Limits
Burner
Air at
excess air, %
excess fuel, %
fl ame
Size
burner, osi
length, feet
-6
1
160 120 480 330 270 200 300 200 1500 1300
75 73
2.5 3.0 3.0 4.0 4.0 6.0 4.5 6.0 7.0 9.0
16
-7
1
100 85 100 100 100 100 100 100
16
-8-A
1
16
-8-B
1
16
-9
1
16
To order, specify: 4545-(code)-(A or B if applicable) (modifiers: LC, L4 or L9) burner complete Examples: 4545-9 burner complete 4545-8-BL4 burner complete with 304 SST jacket
WARNING: Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.
CONTACT fna.sales@fivesgroup.com T +1 800 626 3477 - F +1 216 373 4237
Fives North American Combustion, Inc. 4455 East 71st Street - Cleveland, OH 44105 - USA www.fivesgroup.com
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