Burner and nozzle specifications
Table 1
Burner
Diameter
(mm)
Reduce Fast
100
(RR)
Semi Fast
75
(Medium) (S)
Auxiliary
55
(Small) (A)
Triple Crown
130
(TC)
Nominal (mbar)
Supply
Minimum (mbar)
pressures
Maximum (mbar)
*
At 15°C and 1013 mbar-dry gas
**
Propane
P.C.S. = 50.37 MJ/kg.
***
Butane
P.C.S. = 49.47 MJ/kg.
Natural
P.C.S. = 37.78 MJ/m
(1) Only for appliances with the security device.
A
RR
TC
S
GF640
GF640X
GF640K
GF640W
GF641
GF641X
KSG 641 X
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Thermal Power
By-pass
kW (p.c.s.*)
1/100
(mm)
Nom.
Red.
2.60
0.70
41
1.65
0.40
30
1.00
0.40
30
3.25
1.50
60
3
Liquid Gas
Nozzle
Flow*
1/100
g/h
(1)
(mm)
***
39
80
189
186
28
64
120
118
28
50
73
71
61
91
236
232
28-30
37
20
25
35
45
Natural Gas
Nozzle
Flow*
Nozzle
1/100
l/h
1/100
**
(mm)
(mm)
110
248
135
96
157
105
71
95
80
133
309
150
20
17
25
GB
Flow*
l/h
248
157
95
303
13
6,5
18
5