Natural Gas Operation | Tempest®
NATURAL GAS OPERATION Main Air Pressure, (UA pressure tap), "w.c
4441-5
0.3
1.7
6.9
15.6
20.8
27.7
34.6
41.6
Air Flow, not burning (scfh)
11000
Air Flow, (scfh)
1100
2300
4600
7100
8200
9500
10500
11500
Air Orifice , UA-DA, (“w.c.) Gas Orifice , UG-DG, (“w.c.)
— — —
0.8
3.8
9
12.3
15.5
19.9
23.6
0.2
0.8
1.6
2.3
2.9
3.5
3.8
Tile Pressure, DG ("w.c.)
0.7
2.4
5.3
6.9
9
11.5
13.7
Max. % XSAir, fs, ignition
1600
3000
6000
6000
6000
6000
6000
6000
Max. % XSFuel, fs
50
50
50 50
50 50
50
50
50
50
Max. % XSFuel, ignition
30
30
30
30
0
0
Flame Length (in.)
23
25
24
27
25
27
27
28
Flame Diameter (in.)
5
5
5
5
5
5
5
5
4441-6
0.3
1.7
6.9
15.6
20.8
27.7
34.6
41.6
Air Flow, not burning (scfh)
19800
Air Flow, (scfh)
1600
3500
7100
10800
12400
15000
16500
18400
Air Orifice , UA-DA, (“w.c.) Gas Orifice , UG-DG, (“w.c.)
— — —
0.3
1.6
4.3
6.7
7.3
9.6
10.2
0.1
0.7
1.5
1.9
2.6
3.5
3.8
Tile Pressure, DG ("w.c.)
0.9
3.4
7.3
10
12.7
15.8
17.8
Max. % XSAir, fs, ignition
2000
3000
6000
6000
6000
6000
6000
6000
Max. % XSFuel, fs
50 50
50 50
50 50
50 50
50 50
50
50
30
Max. % XSFuel, ignition
0
0
0
Flame Length (in.)
27
31
34
34
34
37
36
38
Flame Diameter (in.)
5
6
6
6
7
6
7
7
4441-7
0.3
1.7
6.9
15.6
20.8
27.7
34.6
41.6
Air Flow, not burning (scfh)
25300
Air Flow, (scfh)
3900
6400
11000
16100
18600
22000
25000 28000
Air Orifice , UA-DA, (“w.c.) Gas Orifice , UG-DG, (“w.c.)
— — —
— —
1.4
4.9
5.5
7.1
8
9.5
0.9
2.5
3.3
3.8
6.3
6.7
Tile Pressure, DG ("w.c.)
0.9
2.1
3.9
5.1
6.9
7.7
10.6
Max. % XSAir, fs, ignition
5000
6000
6000
6000
6000
6000
6000
6000
Max. % XSFuel, fs
50
50
50
50
50
50
50
50
Max. % XSFuel, ignition
0
0
0
0
0
0
0
0
Flame Length (in.)
24
29
34
36
42
45
54
56
Flame Diameter (in.)
5
5
5
6
6
6
7
8
Bulletin 4441 page 7
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