Because of postive pressure in the burners, it is diffi
cult to light with a torch unless the air is turned very low and a strong pressure torch is used.
Add 10% to fl ame dimensions shown for operation with #6 oil.
Subtract 10% from fl ame dimensions shown for reduced port tile "R" version.
Fuel gas can be increased to match the cold air capacity with no change to burner components however, fuel oil fl ow is limited as shown in the table above.
Consult North American for special atomizer options.
6821-10-A54
6821-10-A54R
40 000
67 000
5654-4
35
6 000
5
2
6821-10-B54
6821-10-B54R
53 000
89 000
5654-4
35
6 000
7
2
6821-12-54
6821-12-54R
78 000
130 000
5654-5
60
10 700
9
3
6821-14-54
6821-14-54R
106 000
177 500
5654-6
100
19 700
10
4
6821-16-54
6821-16-54R
134 000
225 000
5654-6
100
19 700
13
4
6821-18-54
6821-18-54R
172 000
288 000
5654-7
200
29 000
16
5
6821-20-54
6821-20-54R
215 000
360 000
5654-7
200
29 000
17
5
6821-22-54
6821-22-54R
260 000
435 500
5654-7
200
29 000
20
5
COMBUSTION AIR CAPACITY, scfh (for Btu/hr capacity, multiply scfh by 100)
Burner
Max. Oil
Atomizing Air,
Flame Dimensions
Designation
1000 F Air
60 F Air
Atomizer Capacity
scfh not burning
at 1000 F air
Standard Tile Reduced Port Tile at 10"wc
P at
10"wc
P Designation
(gph)
with 28 osi air
Length Diameter
Bulletin 6821
Page 3
N°
DIMENSIONS in inches
T
- Diameter
½
1" NPT for
fl ame detector
45º to mtg fl ange
C
- NPT atomizer air inlet
D
- NPT oil inlet
¼ NPT atomizing
air taps
BB
- Obsrv. port
¼ NPT
fuel tap
Z
Y
X
2.50
¼ NPT
air tap
E
- Hole on a
S
- Bolt circle
R
- # of holes (straddle centerline)
A
- Main air connection (ANSI)
.50
mounting
fl ange
CC
- NPT pilot connection
FF
- Clearance reqd. to remove atomizer
AA
1" NPT obsrv. port
connections
DD
- Minimum
tile length
DD
dia
EE
dia
3° taper, standard
tile only
B
- 150 ANSI raised fl ange gas inlet
K
- Diameter
F
- Hole on a
J
- Bolt circle
G
- # of holes
H °
L
- Hole on a
P
- Bolt circle
M
- # of
holes
Q
- Diameter
GG
- Diameter lining
HH
R tile only exit dia
U
W
V
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
.
Capacity, Dimensions | 6821 Magna-Flame
™
