20
Boiler size
6
7
8
9
Steam output
*3
(for 102 °C feedwater temperature)
t/h
2.0
2.5
3.2
4.0
Max. permissible combustion heating
output
MW
1.510 1.890 2.415 3.020
■
Natural gas
Max. flue gas pressure drop without ECO
mbar
10.5
10.9
10.9
12.5
Max. flue gas pressure drop with ECO 100
mbar
11.5
12.4
12.4
14.0
Max. flue gas pressure drop with ECO 200
mbar
12.0
13.4
13.4
15.5
■
Fuel oil EL
Max. flue gas pressure drop without ECO
mbar
9.4
9.8
9.9
11.1
Max. flue gas pressure drop with ECO 100
mbar
10.4
11.3
11.4
12.6
Max. flue gas pressure drop with ECO 200
mbar
10.9
12.3
12.4
14.1
Combustion chamber dimensions
Length
Flame tube
Dimen-
sion a
mm
2325
2535
2850
3185
Reversing chamber
Dimen-
sion b
mm
250
250
250
250
Diameter
Internal smooth tube min.
Dimen-
sion c
mm
653
696
746
791
Internal smooth tube max.
Dimen-
sion c
mm
675
720
768
813
Corrugated pipe, average
Dimen-
sion d
mm
—
—
790
835
Corrugated pipe, internal
Dimen-
sion e
mm
—
—
740
785
Burner connection dimensions
Min. flame head length
mm
315
315
315
315
Max. flame head diameter
Dimen-
sion f
mm
320
370
420
420
Combustion chamber volume (average)
Flame tube
m
3
0.81
1.00
1.28
1.61
Flame tube and reversing chamber depth
m
3
0.89
1.10
1.40
1.74
Note
Details regarding diameter refer to the maximum depth of corrugations and the
smallest internal diameter. The type of flame tube depends on the pressure stages
employed. Product-specific tolerances are possible.
*3
The permissible steam output varies depending on the required emission values.
Adjusting the burner
(cont.)
5607 279 GB
Summary of Contents for VITOMAX 200-HS M73A
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