North American Fire•All ™ Dual-Fuel ™ Burners
Dimensions 6422
DIMENSIONS in inches
E Tile Jacket (optional) 45° in all planes
¾ " NPT – 3 holes for Flame Detector, Observation Port, and Pilot Tip ¾ " pipe plug furnished for use if no Pilot
P
D 3 sq.
45°
D 1 dia.
Q
H
G
¾ wide slotted holes
D 2 sq.
45°
P
F
C-NPT Atomizing Air inlet
B-NPT Gas inlet
3⁄8 NPT Oil inlet
3 19⁄32 Rad.
8 – 3⁄8 bolts on 7 ½ BC (-2 thru -6) 8 – ½ bolts on 9 3⁄8 BC (-7-A, -7-B, and -8-A)
1⁄8 Press. Tap 1⁄8 9
A-NPT Combustion Air inlet
J
P
P
K
R
R
L
M
2 9⁄16
S sq.
N
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL .
Burner designation A B C D 1 D 2 D 3 E F G H J dimensions in inches
L M
N 18 3⁄8 18 3⁄8 18 3⁄8 18 3⁄8 18 3⁄8
K
P
Q
R 6 6 6 6 6
S
6422-2 6422-3 6422-4 6422-5 6422-6
1 ¼ 1 1 ½ 1
5 5
8 ½ 8 ½ 8 ½ 8 ½ 8 ½
9 ½ ½ 9 ½ ½ 9 ½ ½ 9 ½ ½ 9 ½ ½
5 ¼ 5 ¼ 5 ¼ 5 ¼
2 2 2 2
1 3⁄8 1 3⁄8 1 3⁄8 1 3⁄8 1 3⁄8
4 3⁄8 4 3⁄8 4 3⁄8 4 3⁄8 4 3⁄8 5 7⁄8 5 7⁄8 5 7⁄8
8 3⁄8 11 5⁄16 8 3⁄8 11 5⁄16 8 3⁄8 11 5⁄16 8 3⁄8 11 5⁄16 8 3⁄8 11 5⁄16
15 13⁄16 15 13⁄16 15 13⁄16 15 13⁄16 15 13⁄16
5 ¼ 5 ¼ 5 ¼ 5 ¼ 5 ¼ 6 1⁄8 6 1⁄8 6 1⁄8
10 ½ 10 ½ 10 ½ 10 ½ 10 ½ 12 ¼ 12 ¼ 12 ¼
12 12 12 12 12
¾ ¾
2 1 ¼ 2 ½ 1 ½ 3 1 ½ 4 2 ½ 4 2 ½
¾ 5 1 5 1 5
5 9⁄16 2
6422-7-A 6422-7-B 6422-8-A
1 ¼ 7 10 1 ¼ 7 10
11 11 11
6 15⁄16 2 5⁄8 2 1⁄8 6 15⁄16 2 5⁄8 2 1⁄8
11 11 11
15 1⁄8 15 1⁄8 15 1⁄8
20 1⁄16 22 5⁄8 20 1⁄16 22 5⁄8 20 1⁄16 22 5⁄8
6 ¾ 6 ¾ 6 ¾
13 ½ 13 ½ 13 ½
9⁄16 9⁄16
6 2 ½ 2 7 10
9⁄16 10 11⁄16 2 5⁄8 1 ¾
Pilot, Flame Detector, and Observation Port positions are interchangeable, as long as pilot and flame detector are in adjacent holes. Opening in furnace shell should be about ½ " larger than dimension D 2 to allow for fillets and draft on mounting plate. For 6422- -LC, -L4 and -L9 Burners only. Opening in oven shell should be about ¼ " larger than dimension D 3 . ¼ " body air pressure tap on -2, -3, -4, -5, and -6. 1⁄8 " body air pressure tap on -7-A, -7-B and -8-A. Pipe nipple not furnished by Fives. Dimensions M and N assume the use of a 3⁄8 " NPT close nipple between burner and Sensitrol Oil Valve. For 6422-8-A, air and gas connections cannot be piped in the same plane because the "flower pot" type air connection flange would interfere with the 2 ½ " gas line. Metal tubing is offered as an extra cost option (order as P.N. 3-0310-7). Optional (recommended) Sensitrol Oil Valve is not included as part of the burner assembly, and must be ordered separately.
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