16
Maximum Length of Exhaust Duct
Preferred 4” Hoods
When you have a 100mm (4”) Hood
Maximum length of 100mm (4”) diameter metal duct.
Number of 90°
elbows/bends
Rigid
0
27.4m
90ft
1
18.3m
60ft
2
13.7m
45ft
3
10.7m
35ft
4
7.6m
25ft
Acceptable 2 1/2” Hoods
When you have a 60mm (2 1/2”) Hood
Maximum length of 100mm (4”) diameter metal duct.
Number of 90°
elbows/bends
Rigid
0
18.3m
60ft
1
13.7m
45ft
2
10.7m
35ft
3
7.6m
25ft
4
4.6m
15ft
For exhaust systems not covered by the exhaust duct length charts (such as multiple unit hook-
ups, plenums, and power-assist fans), call our Customer Care Center:
TOLL FREE 1 888 9 FNP USA (1 888 9 367 872).
Содержание DE60FA2
Страница 99: ......