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4.7
Firing rates
5
4
3
2
1
0
-1
10
15
10.000
Firing rate G31
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
-0.5
-1
10
15
10.000
TEST BOILER
The firing rates were obtained in special test boilers, according
to EN 676 regulations.
COMMERCIAL BOILERS
The burner-boiler matching is assured if the boiler conforms to
EN 303 and the combustion chamber dimensions are similar to
those shown in the diagram EN 676.
For applications where the boiler does not conform to EN 303, or
where the combustion chamber is much smaller than the dimen-
sions given in EN 676, please consult the manufacturers.
Technical description of the burner
Firing rate G20-G25
20
25
30
35
20.000
30.000
20
25
30
20.000
30.000
40
45
50
40.000
Thermal power
35
40
45
40.000
Thermal power
9
GB
55
60
65
70
60.000
50.000
50
55
60
50.000
D10507
75
kW
Kcal/h
Fig. 3
D10506
kW
65
70
60.000
Kcal/h
Fig. 4
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