NATURAL GAS OPERATION
4441-5 HV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
8 (13.8")
16 (27.7")
20 (34.6")
Air Flow, not burning (scfh)
10200 8900
Air Flow (scfh)
1000
2150
5200
6100
9900
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
0.2
0.9 0.1 0.7
3.6 0.6 2.8
7.4 1.2 5.6
14.7 3.2 11.2
18.9
0.05
3.5
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
0.1
13.5
800
1500
3000
5000
6000
6000
Max. % XSFuel, fs
30 30 20
30 30 24
30 30 26
30 30 26
30 30 28
30 30 30
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
5
6
6
6
7
7
4441-5 MV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
8 (13.8")
16 (27.7")
Air Flow, not burning (scfh)
11350 10850
Air Flow (scfh)
1300 0.25 0.05
2700
5200
7400
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
1.3
5.3 0.9 0.8
11.0 2.3
22.1
0.2 0.2
4.7 2.9
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
0
1.5
800
1500
3000
5000
6000
Max. % XSFuel, fs
30 30 22
30 30 24
30 30 26
30 30 30
30 30 34
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
6
6
6
6
7
4441-6 HV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
8 (13.8")
16 (27.7")
20 (34.6")
Air Flow, not burning (scfh)
17300 14100
Air Flow (scfh)
1650
3550
7000
9850
15800
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
0.1 — 0.2
0.4
1.6
3.3
6.1 2.4
8.2 2.9
0.1
0.6 3.6
1.1 7.1
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
0.9
15.9
17.8
800
2000
4000
6000
6000
6000
Max. % XSFuel, fs
30 30 27
30 30 26
30 30 34
30 30 30
30 30 30
30 30 36
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
4
4
4
5
5
5
4441-6 MV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
8 (13.8")
16 (27.7")
Air Flow, not burning (scfh)
21700 20500
Air Flow (scfh)
2450
5000
9800
14100
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
— — —
0.9 0.3
3.4
6.6 2.3
14.5
1.1
5
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
0.1
0.7
1.5
3.3
800
2000
4000
6000
6000
Max. % XSFuel, fs
30 30 37
30 30 42
30 30 42
30 30 45
30 30 48
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
8
7
7
7
10
Sheet 4441-1 page 7
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