Natural Gas Operation | Tempest®
NATURAL GAS OPERATION Main Air Pressure, (UA pressure tap), mbar
4441-3
.7
4
17
39
52
69
86
103
Capacity, Nm3/h main air (not burning)
107
Capacity, Nm3/h burner (burning stoich)
9
21
43
65
78
88
100
110
Air Orifice , (UA-DA) mbar Gas Orifice , (UG-DG) mbar
0.6 0.2 0.2
2.2 1.2 1.5
10.0
23.6
26.1
43.3
54.5
66.2
4.5
11.7
16.4
21.1
22.9
28.1
Tile Pressure, (DG) mbar
6.2
12.7
19.7
21.4
26.4
31.1
Max. % XSAir, fs, ignition
400
600
900
2000
2000
2000
2000
2000
Max. % XSFuel, fs
30 30
30 30
30 30
30 30
30 30
30 30
30 30
30 30
Max. % XSFuel, ignition
Flame Length, mm
254
305
356
279
305
305
305
305
Flame Diameter, mm
25
51
51
51
51
51
51
51
4441-4-A
.7
4
17
39
52
69
86
103
Capacity, Nm3/h main air (not burning)
163
Capacity, Nm3/h burner (burning stoich)
16
32
69
103
118
140
158
178
Air Orifice , (UA-DA) mbar Gas Orifice , (UG-DG) mbar
— — —
2.2
11.2
22.9
31.6
40.8
52.7
67.2
1.2
4.5
8.7
11.4
16.2
19.9
25.6
Tile Pressure, (DG) mbar
0.7
4.7
9.2
11.9
19.7
20.7
26.1
Max. % XSAir, fs, ignition
400
600
900
2000
2000
2000
2000
2000
Max. % XSFuel, fs
30 30
30 30
30 30
30 30
30 30
30 30
30 30
30 30
Max. % XSFuel, ignition
Flame Length, mm
406
457
457
457
483
508
610
610
Flame Diameter, mm
76
76
76
76
76
76
76
102
4441-4-B
.7
4
17
39
52
69
86
103
Capacity, Nm3/h main air (not burning)
219
Capacity, Nm3/h burner (burning stoich)
20 — —
44
91
136
155
184
206
227
Air Orifice , (UA-DA) mbar Gas Orifice , (UG-DG) mbar
2.7 1.2 1.2
10.9
24.4
31.4
41.1
53.7 27.4
66.7
6.0
12.7
15.9
121.1
31.1
Tile Pressure, (DG) mbar
—
3.2
7.7
9.7
13.7
17.2
17.9
Max. % XSAir, fs, ignition
400
600
900
2000
2000
2000
2000
2000
Max. % XSFuel, fs
30 30
30 30
30 30
30 30
30 30
30 30
30 30
30 30
Max. % XSFuel, ignition
Flame Length, mm
508
610
660
660
660
660
660
686
Flame Diameter, mm
76
102
102
102
102
102
102
127
Bulletin 4441M page 5
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