Capacities | Quick Clean Burner
Main Air Capacity* scfh (Nm 3 /h)
Natural Gas Pressure at Air Pressure
Main Air pressure drop across the burner osi/'w.c./mbar
4419A/6419A osi
0.5
1
4
9
16
16 osi/27.7"w.c.
Burner
"w.c.
0.90
1.7 4.3
6.9 17.2
15.6
27.7
/69 mbar "w.c. (mbar)
designation mbar
2.2
39
69
4419A-6-A 4419A-6-B 4419A-7-A 4419A-7-B
1400 (37) 2700 (72) 3800 (102) 7200 (192)
1950 (52) 3800 (102) 6700 (179) 8150 (218)
5350 (143) 7600 (203) 11 320 (303)
8300 (222) 10 750 (287)
11 000 (294) 16 000 (428)
5.9 (14.7) 10.4 (25.9) 9.2 (22.9) 12.3 (30.6)
16 250 (434) 26 300 (703)
15 800 (422) 24 500 (655) 36 000 (962)
4419A/6419A Burner Performance at high fire (16 osi/27.7"w.c./69 mbar Air Pressure)
% Excess Air Limits
% Excess Fuel Limits
Flame length ft. (M) with 10% XSA
Burner
designation 4419A-6-A 4419A-6-B 4419A-7-A
Natural Gas
#2 Oil
Natural Gas
#2 Oil
Natural Gas
#2 Oil 4 (1.2) 5 (1.5) 6 (1.8) 6 (1.8)
600 400 600 800
100 100 100 100
30
30 30 30 30
4 (1.2) 4 (1.2) 5 (1.5) 6 (1.8)
0
20
4419A-7-B
15
4419A/6419A Minimum Natural Gas flow scfh (Nm 3 /h) for lighting at low fire
Inch w.c. (mbar) Burner Air Pressure
-6-A
-6-B
-7-A
-7-B
1.7
(4.2) (1.0)
10 (1.07) 20 (0.53)
60 (1.60) 35 (0.94)
80 (2.14) 50 (1.34)
100 (2.67) 75 (2.00)
0.4
Oil Atomizer Pressure and Flow Data with 20 osi/35"w.c./86 mbar Atom. Air Pressure
#2 Oil Flow gal/h (l/h)
Oil Pressure psi (mbar)
Atom. Air Flow scfh (Nm 3 /h)
#2 Oil Flow gal/h (l/h)
Oil Pressure psi (mbar)
Atom. Air Flow scfh (Nm 3 /h)
1 (3.8) 2 (7.6) 3 (11.4) 4 (15.1)
0.65 (45) 0.8 (55) 0.9 (62) 1.0 (69) 1.1 (76) 1.3 (90) 1.5 (103) 1.8 (124) 2.1 (145)
470 (12.6) 460 (12.3) 450 (12.0) 445 (11.9) 435 (11.6) 435 (11.6) 420 (11.2) 410 (11.0) 395 (10.6)
14 (53) 16 (61) 18 (68) 20 (76) 22 (83) 24 (91) 26 (98) 28 (106)
2.4 (165) 2.9 (200) 3.3 (228) 3.9 (269) 4.3 (296) 4.8 (331) 5.4 (372) 5.9 (407)
385 (10.3) 370 (9.9) 360 (9.6) 345 (9.2) 320 (8.6) 285 (7.6) 280 (7.5) 255 (6.8)
5 (18.9) 6 (22.7) 8 (30.3) 10 (37.9) 12 (45.4)
4419 and 4419A burners have the same capacity and performance.
Bulletin 4419 Page 4
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