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 

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 

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

Catalog Combustion 2021 - Page 0485

Fives Group
FIVES GROUP
FIVES GROUP-FIVES GROUP-0485-0489

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