Burner And Nozzle Specifications - Ariston DD 641 HA(BK) Operating Instructions Manual

Burner and nozzle specifications

Table 1
Burner Diameter
Rapid (R)
Semi Rapid (S)
Auxiliary (A)
Supply pressures
* 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/m
(1) Only for appliances with the security device.
A
R S
S
DD 641 HA(BK)
DD 641 /A(ICE)
DD 642 /A(BK)
Thermal Power
(mm) kW (p.c.s.*)
Nomin. Reduc.
100 3.00 0.70
75 1.65 0.40
55 1.00 0.40
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
3
Liquid Gas
By-pass Nozzle Flow*
1/100 1/100 g/h
(mm)
(mm)
(1) ***
41 39 86 218 214
30 28 64 120 118
30 28 50 73 71
28-30 37
20 25
35 45
Natural Gas
Nozzle Flow*
1/100 l/h
(mm)
**
116(Y) 286
96(Z) 157
79(6) 95
20
17
25
GB
21