Dimensions | Immersion Tube Burners
¾ fpt for Pilot
¾ dia.–4 holes on 9 ½ BC
¾ fpt–2 holes for Pilot & Flame Supervision device
¼ fpt for tube pressure
R
30°
30°
Integral Limiting Orifice Gas Valve
1 ¾
B–fpt Gas Inlet
D
¾ fpt for Flame Supervision (clockwise from Pilot)
P
45°
G dia. H
dia.
L dia.
45°
E
J primary air adjustment
N factory setting
A — fpt Main Air Inlet
4 ½
C
9 sq.
F
4762-4 and -6
7⁄8 dia.–4 holes
5
1 ¾
4 1⁄8
4 1⁄8
D
K
4 1⁄8
B
5 Pilot ¾ fpt
5 ¼ R
G dia.
45° from flange
H dia.
15°
L dia.
4 2 1⁄8
4 ¾ R
10 sq.
B–fpt Gas Inlet
E
Flame Supervision ¾ fpt 45° from flange
J
¼ fpt for tube pressure
N
max.
3 5⁄8
A–fpt Main Air Inlet for 4762-7-A and -7-B
A–fpt Main Air Inlet for 4762-8
C
F
4762-7-A, -7-B, and -8
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
dimensions in inches
recommended wt,
designation A B
C
D
E
F
G
H
J
K 1⁄8 1⁄8 ¼ ¼ ¼
L
N
P R
Pilot Tip 4021-12 4021-12 4021-12 4021-12 4021-12
lb
4762-4 4762-6
2 1 ¼ 3 2 4 2 4 2 6 2
7 1⁄16 9 ½
5 ¼ 5 ½ 5 ¼ 5 ¼ 5 ¼
8 ¼
14 1⁄16 17 1⁄8 12 ½ 12 ½ 12 ½
4
4 5⁄8 6 ¾ 8 ¾ 8 ¾ 8 ¾
8 1⁄8 8 ½
1 1⁄16 1 3⁄16
1 ½ 1 7⁄8
1 5⁄8
46 46 54 54
½ ½ ¾ ¾ ¾
9 15⁄16
5 7⁄8
2
4762-7-A 4762-7-B
7 ¼ 7 ¼ 7 ¼
8 3⁄8 8 3⁄8
8 8 8
9 5⁄8 Closed — —
9 5⁄8 9 5⁄8
— — — —
15⁄16
4762-8
12
1 3⁄8
67 ¼
If used, flame rod length should be 4" from outer surface of mounting boss.
firing leg must not extend more than 3" above normal liquid surface
Spray washer
common immersion tube arrangements (immersion tube not supplied by Fives North American Combustion, Inc.)
Bulletin 4762 Page 5
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