CHIMNEY CAP
The chimney cap should have the following characteristics:
•
It's advisable to read, follow and respect what indicated in the Section Installation.
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Internal section equivalent to the one of the chimney
−
Exhaust section exit not lower than the double of the chimney internal one
−
Built in a way to avoid rain, snow or external body entrance, to ensure the right exit
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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 the inclination
corner of the covering , therefore it is necessary to adopt the minimal heights as
indicated in the following tables:
Inclination Roof C (°)
Re-flux
area
Chimney
Pot Wind
Damping
A
15
1,85
30
1,50
45
1,30
60
1,20
Chimney pot
wind damping
Revolving
chimney pot
for strong
horizontal
wind
IT IT IT IT- - - - GB
GB- - - - FR
FR- - - - ES
GB
GB
FR
FR
Re Flux Area Highness Z (m)
H
1,00
1,30
2,00
2,50
45/140
ES mod. 540 VT – 540N VT
ES
ES
0,50
0,80
1,50
2,10