IT
IT
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IT----EN
EN
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EN----FR
FR
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FR----EEEESSSS mod. NADA 140A EN13240
26/76
CHIMNEY CAP
•
The chimney cap should have the following characteristics:
−
It’s advisable to read, follow and respect what indicated in the paragraphe 1.1
−
Internal section equivalent with the chimney one
−
Exhaust section exit not lower to the double of the chimney internal one
−
Built in a way to avoid rain, snow or external body entrance, to ensure the right exit
of combustion products with any type of wind
−
Positioned to guarantee the right fumes dispersion especially out of re-flux area.
This area has several dimensions and conformations in function of inclination
corner of the covering so it’s necessary to apply the minimal highness as indicated
in the following tables:
Inclination Roof
C
(°)
A
H
Re Flux Area Highness
Z
(m)
15
1,85
1,00
0,50
30
1,50
1,30
0,80
45
1,30
2,00
1,50
60
1,20
2,50
2,10
Re-flux
area
Chimney pot
wind damping
Chimney
Pot Wind
Damping
Revolving
chimney pot
for strong
horizontal
wind
