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4.4
Overall dimensions
The maximum dimensions of the burner are given in Fig. 1.
Bear in mind that inspection of the combustion head requires the
burner to be opened and the rear part withdrawn on the slide
bars.
mm
A
RL 34/1 MZ
442
Blast tube: short-long
(1)
4.5
Firing rate
The burner delivery must be selected within area of the diagram
(Fig. 2).
This area is called firing rate and provides the delivery of the
burner in relation to the pressure in the combustion chamber.
The work point may be found by plotting a vertical line from the
desired delivery and a horizontal line from the pressure in the
combustion chamber. The intersection of these two lines is the
work point which must lie within firing rate.
6426
Technical description of the burner
L
E
O
D
E
422
508
216 - 351
The maximum dimension of the burner, without casing, when
open is given by measurement O.
F
F
H
(1)
140
The firing rate value (Fig. 2) has been obtained
considering an ambient temperature of 20 °C, an
atmospheric pressure of 1013 mbar (approx. 0 m
above sea level), and with the combustion head
WARNING
adjusted as shown on page 17.
10
GB
A
D3937
I
L
305
138
780 - 915
D9415
Fig. 1
O
(1)
Tab. B
Fig. 2
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