GB
19
Table 1 Liquid Gas Natural Gas
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
Reduced Fast (RR)
Semi Fast (S)
Auxiliary (A)
100
75
55
36
130
0.70
0.40
0.40
0.30
1.50
2.60
1.65
1.00
0.90
3.60
39
28
28
29
29
57
80
64
50
44
44
60x2
189
120
73
65
262
186
118
71
64
257
2.60
1.65
1.00
0.90
3.60
122 (H3)
96 (Z)
79 (6)
74
74
94x2
248
157
95
86
343
Double flame
(DCDR internal) (1)
Double
flame (1)
(DCDR
internal)
(DCDR
external
2 nozzle)
Burner and nozzle specifications (for 65 cm versions only)
(1) For single-control DRDA (DCDR) burner only
* 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
RR
DC
S
A
! For model PK 640.1... only: The grids may be positioned incorrectly. If this happens, the spokes will appear particularly misaligned and the intersection
point will no longer be at the centre of the burner. The gures below illustrate correct positioning (OK) and some examples of incorrect positioning (KO!).
OK KO !
KO !KO !
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