Burner and nozzle specifications
Table 1
Burner
Diameter
(mm)
Fast (R)
157
Semi Fast (S)
132
Auxiliary (A)
110
Supply pressures
* At 15°C and 1013,25 mbar-dry gas
Natural
S
S
R
A
PKQ 644 D GH /HA
Thermal Power
By-pass
kW (p.c.s.*)
Nomin. Reduc.
3.00
1.00
1.90
0.80
1.00
0.50
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
P.C.S. = 37.78 MJ/m³
S
S
R
A
A
PKQ 755 D GH /HA
Natural Gas
(G20 / 20 mbar)
Nozzle
Flow*
1/100
1/100
l/h
(mm)
(G20)
(mm)
73
125
286
66
100
157
54
72
95
20
17
25
Adjusting the burner's
primary air
(mm)
4.7
2.6
2.0
23
GB