Burner and nozzle specifications
GB
Table 1
Burner
Rapid (R)
Semi Rapid (S)
Auxiliary (A)
Supply pressures
* At 15°C and 1013,25 mbar-dry gas
Natural
S
S
A
FTGHG 641 D/HA (BK)
FTGHL 641 D/IX/HA
22
Diameter
Thermal Power
(mm)
kW (p.c.s.*)
Nomin. Reduc.
157
3.00
1.00
132
1.90
0.80
110
1.00
0.50
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
P.C.S. = 37.78 MJ/m³
R
Natural Gas
(G20 / 20 mbar)
By-pass
Nozzle
Flow*
1/100
l/h
1/100
(mm)
(G20)
(mm)
75
125
286
68
100
157
54
72
95
20
17
25
Adjusting the burner's
primary air
(mm)
4.7
2.6
2.0