Ariston PKL 641 D2 Operating Instructions Manual page 9

Burner and nozzle specifications (for 65 cm versions only)
Table 1
Burner Diameter
(mm)
Reduced Rapid (RR) 100
Semi Rapid (S) 75
Auxiliary (A)
55
Double flame
36
(DCDR internal) (1)
(DCDR
Double
internal)
130
flame (1)
(DCDR
external
2 nozzle)
Supply pressures
(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
A
RR
DC
S
PKL 641 D2/IX/A
Liquid Gas
Thermal Thermal By-pass
power power 1/100
kW kW
(p.c.s.*) (p.c.s.*)
Reduced Nominal (mm)
0.70 2.60 39
0.40 1.65 28
0.40 1.00 28
0.30 0.90 29
29
1.50 3.60
57
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
Nozzle Flow*
1/100 (g/h)
(p.c.s.*)
(mm) *** ** Nominal
80 189 186
64 120 118
50 73 71
44 65 64
44
262 257
60x2
28-30 37
20 25
35 45
Natural Gas
Thermal Nozzle Flow*
power 1/100 (l/h)
kW
(mm)
2.60 122(H3) 248
1.65 96(Z) 157
1.00 79(6) 95
0.90 74 86
74
3.60 343
94x2
20
17
25
GB
9