Sheet 4950-3 Page 2
Recommended minimum temperature rise across grid is 200°F.
Maximum outlet temperature is 1700°F.
Flame lengths vary with temperature rise and air pressure drop. Some typical flame lengths are:
Temperature rise, F
Air pressure drop
Flame length
500
0.5" 0.5" 2.0" 2.0" 6.0" 6.0"
6"
1200
30"
500
5"
1200
21"
500
4"
1200
15"
Under certain conditions, and with modifications, the Flame Grid can be used with as little as 12% oxygen in the effluent. Consult North American if oxygen is below 16%.
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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