ECOMAX · Edition 10.17
21
Selection
Selection
5 .4 Burner head
5 .4 .1 Use
The burner ECOMAX can be equipped with 2 different
burner heads. Stage combustion is standard. For some
burner variants, a menox version is also possible, which
allows for switchover to menox
®
low NO
X
mode with
flameless combustion when the furnace temperature
exceeds 850°C in a direct heating system.
Use
Burner head code letter
Standard flame mode
S
menox
®
low NO
X
mode
1)
M
1)
menox
®
low NO
X
mode on request.
5 .4 .2 Gas type
Gas type
Code letter
Calorific value range
Density
ρ
kWh/m
3
(n)
2)
BTU/scf
3)
kg/m
3
(n)
lb/scf
Natural gas L and H quality
B
8 – 12
810 – 1215
0.7 – 0.9
0.041 – 0.053
Propane, propane/butane, butane
G
25 – 35
2560 – 3474
2.0 – 2.7
0.118 – 0.159
Coke oven gas, town gas
D
4 – 5
421 – 503
0.4 – 0.6
0.024 – 0.035
Low calorific value gas
L
1.7
1)
– 3
161 – 290
0.9 – 1.15
0.053 – 0.068
1)
Calorific value range < 1.7 on request.
2)
Calorific value ranges in kWh/m
3
refer to the
lower calorific value H
u
.
3)
Calorific value ranges in BTU/SCF refer to the
upper calorific value H
o
.
