
GB
11
UR
S
S
A
PCN 642 U/IX/A
Burner Diameter Thermal Thermal By-pass Nozzle Flow* Thermal Nozzle Flow*
power power 1/100 1/100 (g/h) power 1/100 (l/h)
kW kW kW
(p.c.s.*) (p.c.s.*) (p.c.s.*)
(mm) Reduced Nominal (mm) (mm) *** ** Nominal (mm)
Supply pressures Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
28-30
20
35
37
25
45
20
17
25
Ultrarapid (UR)
Semi Fast (S)
Auxiliary (A)
100
75
55
0.70
0.40
0.40
3.40
1.65
1.00
39
28
28
91
64
50
247
120
73
243
118
71
3.40
1.65
1.00
138(H3)
96(Z)
79(6)
324
157
95
Burner and nozzle specifications
*
At 15°C and 1013,25 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/m³
Table 1 Liquid Gas Natural Gas
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