13
Characteristic of the burners and nozzles
Table 1
Liquid Gas Natural Gas
Burner Diameter
(mm)
Thermal power
kW (p.c.s.*)
By-Pass
1/100
Nozzle
1/100
Flow*
g/h
Nozzle
1/100
Flow*
l/h
Nomin. Ridot. (mm) (mm) *** ** (mm)
Fast (R) 100 3,00 0,70 41 86 218 214 116 286
Reduced Fast
(RR)
100 2,60 0,70 41 80 189 186 110 248
Semi Fast (S) 75 1,90 0,40 30 70 138 136 106 181
Auxiliary (A) 55 1,00 0,40 30 50 73 71 79 95
Triple Crown
(TC)
130 3,60 1,30 57 94 262 257 137 343
Ultrarapid (UR) 100 3,40 0,70 41 91 240 236 123 314
Fishburner (P) — 3,00 1,30 63 86 218 214 116 286
Semi-Fishburner
(SP)
— 1,50 0,70 41 60 109 107 88 143
Double flame
(DCDR internal)
30 0,90 0,40 30 44 65 64 70 86
Double flame
(DCDR external)
2 nozzle
130 4,10 1,30 57 70 298 293 114 390
Supply
Pressures
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
28-30
20
35
37
25
45
20
17
25
* 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
3
Rapid
Reduced Rapid
Semi Rapid (S)