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.
DIMENSIONS inches
Bulletin 4831
Page 3
OPERATING CHARACTERISTICS
Burner
Flame
description
designation
1
4
6
8
12
16
Flame diameter, inches
4831-0
6 7 7
8
8
4831-1
8 8 9
12
12
Flame length (beyond tile), inches
4831-0
2
½
2
1
½
1 1
4831-1
2 2 2 1 1
Maximum % XSAir, with constant pilot air
4831-0
190
120
105
85
85
4831-1
130
100
90
80
75
Maximum % XSAir, without constant pilot air
4831-0
110
90
85
60
40
or direct spark
4831-1
75
70
65
50
45
B–NPT for Gas Inlet
A–NPT
Combustion Air
Inlet
3
21⁄32"
1
29⁄32"
1
¾
1"
7
1⁄8"
or 9
¼ "
3⁄8"
-16 NC Thrd.
1⁄8"
NPT Air
Pressure Tap
With pilot and fl ame detector bosses in position shown, gas inlet can be positioned at either 6 or 9 oclock positions.
7
½ "
sq.
45°
3⁄8
"
2
7⁄8"
3
5⁄8"
2
¾ "
3
5⁄8"
1
45°
30°
30°
¾ "
NPT
¾ "
NPT for
Flame Detector
or
Observation Port
2"
4831- -T is Tile is tapered on
twosides to 6
¾ "
width at
tile face.
Burner
Recommended
Mixture
Flame
Wt,
designation
A
B
pilot tip
pressure
rod length
lb
4831-0
¾
½
4021-12 0.8"wc
3
½
" 44
4831-1
1
¾
4021-12 0.8"wc
3
½
" 44
dimensions in inches
To order, specify: 4831-(code for pipe size)-tile length or style (7 for 7", 9 for 9", T for 9" Tapered) Burner Complete.
Examples:
4831-0-9
¾
" Burner Complete with 9" Tile
4831-0-T
¾
" Burner Complete with Tapered 9" Tile
4831-0-BO
¾
" Burner Onl
y
air pressure drop across the burner in osi
With natural gas at 10:1 air/gas ratio.
Flame is entirely within tile.
From the outer boss of the fl ame rod connection.
Cop
yr
igh
t © 2020 - F
iv
es - All r
igh
ts r
eser
ved | Bulle
tin 4831 08/10
Dimensions | Flat Flame
™
Fives North American Combustion, Inc.
4455 East 71st Street - Cleveland, OH 44105 - USA
www.fi vesgroup.com
CONTACT
fna.sales@fi vesgroup.com
T +1 800 626 3477 - F +1 216 373 4237
