The RS 45/E BLU burner is suitable for working on both flame
inversion boilers* (in this case the long head model is recom-
mended) and boilers with a combustion chamber with bottom run-
off (three flue gas circulations), from which the best results of low
NO
x
emissions are obtained.
The maximum thickness of the front hatch of the boiler (see posi-
tion“a”, Fig. 10), complete with refractory, must not exceed 200 mm.
a
D1079
Fig. 10
Boring the boiler plate
Make holes in the plate shutting off the combustion chamber, as
illustrated in Fig. 11. The position of the threaded holes can be
marked using the thermal insulation screen supplied with the
burner.
Fig. 12
Length of the blast tube
The length of the blast tube must be selected according to the
indications provided by the manufacturer of the boiler, and in
any case it must be greater than the thickness of the boiler door
complete with its refractory. The lengths L available are:
Blast tube 10) RS 45/E BLU
• short 229 mm
• long 354 mm
For boilers with front flue passes 13), a protection in refractory
material 11) must be inserted between the boiler refractory 12)
and the blast tube 10). This protection must not compromise the
extraction of the blast tube. See Fig. 12.
For boilers with a water-cooled frontal, a refractory lining is not
necessary 11)-12) unless expressly requested by the boiler
manufacturer.
D8044
mm ABC
RS 45/E BLU 160 224 M 8
Fig. 11
D455
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