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CHIMNEY OR INDIVIDUAL FLUE
The chimney or individual fl ue must respond to the following requisites:
seal the fuel products, waterproof and adequately insulated similarly to the use conditions;
be realised with materials which resist the normal mechanical stresses, heat, action of the fuel products
and any condensing;
have mainly vertical progress with deviations from the axis not higher than 45°;
be adequately distanced from fuel or fl ammable materials through air space or opportune
insulation;
A
C
A = left wall
B = rear
C = front
D = tank width
E = total width with tank
F = Right wall
must have a minimum natural depression of at least 0.5 – 2.5 mmH2O (0.05 – 0.25 mbar)
have preferably circular internal section: the square or rectangular sections must have round corners
with a radius not lower than 20 mm.
have constant internal section, free and independent.
have rectangular section with max. ratio between the sides of 1.5.
It is recommended that the smoke pipe be equipped with a collection chamber for solid materials and
any condensing situated under the smoke channel inlet, so that it can be easily opened and inspected
from airtight door.
MOUNTING PHASES
D
F
E
fi gure 3.7
REFERENCES
B
C
A
D
E
fi gure 3.8
MEASUREMENTS
250 mm
500 mm
650 mm
618 mm
1446 mm
300 mm
Chapter 3
B
F
13
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