Dimensions 6825 Page 2
DIMENSIONS in inches
Burner for Typical Fiber Wall Construction
¾ pipe tap, 3 holes for Observation Port, Pilot Tip, and Flame Monitoring Device. See Note 1.
(8) N–dia. holes equally spaced
35°
35°
W°
A–main air connection‡
vacuum formed refractory fiber lining
S–OD
3⁄8 NPT oil inlet
X U V
D 3 § OD
D 1 dia.
D 2 OD
G H
C–NPT atomizing air inlet
2 9⁄16
B–NPT gas inlet
ANSI 125 psi fl ange
¼ NPT pressure tap
(See Note 2)
E–oil connection
F
3⁄8
R–dia. hole 8 req'd. equally spaced on a P–dia. BC
Z
J
K
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.
Y
L
M
9 3⁄8
Main air is drawn at 3 o’clock for convenience in showing flange dimensions, but arrangement designators are specified relative to main air at 12 o’clock. Thus the dimension drawing portrays a 3bf arrangement. (See Bulletin 6825 re arrangement designators.) NOTE: 1. Pilot must be located in center hole and at least 90 degrees from the main air inlet. Position selected should not place the pilot, observation port, and flame monitoring adapter boss in a bottom quadrant of the burner when installed. 2. "Z" dimension variable from 2" to 9" by ½ " increments for fiber wall construction. When "Z" dimension is equal to 9" the backplate and mounting flange will be one piece. Burner dimensions in inches designation A ‡ B C D 1 D 2 D 3 § E F G H J K L M N 6825-2 4 1 ¾ 4 11 3⁄8 12 ¼ 5 2 1 3⁄8 7 7⁄8 14 ¼ 17 3⁄16 23 7⁄8 ¾ 6825-3 4 1 ¾ 4 11 3⁄8 12 ¼ 5 2 1 3⁄8 7 7⁄8 14 ¼ 17 3⁄16 23 7⁄8 ¾ 6825-4 4 1 ¼ ¾ 4 11 3⁄8 12 ¼ 5 2 1 3⁄8 7 7⁄8 14 ¼ 17 3⁄16 23 7⁄8 ¾ 6825-5 4 1 ½ 1 5 11 3⁄8 12 3⁄8 5 2 1 3⁄8 7 7⁄8 14 ¼ 17 3⁄16 23 7⁄8 ¾ 6825-6 4 1 ½ 1 5 11 3⁄8 12 3⁄8 5 2 1 3⁄8 7 7⁄8 14 ¼ 17 3⁄16 23 7⁄8 ¾ 6825-7-A 6 2 ½ 2 7 14 14 5⁄8 3⁄8 7 2 5⁄8 1 ¾ 9 17 3⁄8 21 9⁄16 29 ¼ 7⁄8 6825-7-B 6 2 ½ 2 7 14 14 5⁄8 3⁄8 7 2 5⁄8 1 ¾ 9 17 3⁄8 21 9⁄16 29 ¼ 7⁄8 6825-8-A 6 2 ½ 2 7 14 14 5⁄8 3⁄8 7 2 5⁄8 1 ¾ 9 17 3⁄8 21 9⁄16 29 ¼ 7⁄8 Recommended Burner dimensions in inches and degrees Sensitrol Wt, designation P R S U V W° X Y Oil Valve lb 6825-2 14 ½ 5⁄8 16 7 ½ 9 45 4 2 5⁄16 1813-03 175 6825-3 14 ½ 5⁄8 16 7 ½ 9 45 4 2 5⁄16 1813-03 175 6825-4 14 ½ 5⁄8 16 7 ½ 9 45 4 2 5⁄16 1813-03 175 6825-5 14 ½ 5⁄8 16 7 ½ 9 45 4 2 5⁄16 1813-02-A 175 6825-6 14 ½ 5⁄8 16 7 ½ 9 45 4 2 5⁄16 1813-02-A 175 6825-7-A 17 ¾ 18 5⁄8 9 ½ 11 30 6 2 ¾ 1813-02-B 230 6825-7-B 17 ¾ 18 5⁄8 9 ½ 11 30 6 2 ¾ 1813-02-B 230 6825-8-A 17 ¾ 18 5⁄8 9 ½ 11 30 6 2 ¾ 1813-02-C 230 ‡ Except for -8-A, use supply piping with oversized flange. § Furnace opening should be ½ " larger than dimension D 3. Piping not furnished by Fives North American Combustion, Inc. Dimension M assumes the use of a close nipple between burner and Sensitrol. Optional (recommended) Sensitrol Oil Valve is not included as part of the burner assembly, and must be ordered separately.
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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