TYPE OF DUCT
Resistance
Factor
(R)
Exhaust
0.5 m
Exhaust
1.1 m
Exhaust
3.5
0.55 m
0.35 m
Exhaust
0.6 m
Exhaust
0.8 m
Exhaust
1.0 m
0.3 m
Resistance factor and equivalent length tables.
Exhaust
3.7 m
Exhaust
12.2
1.9 m
Intake terminal Ø 80
Exhaust terminal Ø 80
90° bend Ø 80
45° bend Ø 80
Pipe 1 m Ø 60 for ducting
90° bend Ø 60 for ducting
Equivalent
length in metres of
concentric pipe
Ø 60/100
Equivalent
length in metres
of pipe
Ø 60
Equivalent
length in metres
of pipe
Ø 80
Complete vertical exhaust
terminal Ø 60 for ducting
Intake
2.2
Exhaust
1.9
Intake
1.9
Exhaust
2.6
Intake
1.2
Exhaust
1.6
Exhaust
3.3
0.4 m
0.2 m
0.25 m
0.5 m
Intake
1.4 m
Exhaust
1.3 m
Intake
2.5 m
Exhaust
1.6 m
Intake
2.2 m
Exhaust
2.1 m
Intake
3.8 m
Exhaust
2.7 m
Intake
4.0 m
Exhaust
2.9 m
Intake
14 m
0.3 m
0.5 m
Complete intake terminal Ø 80 length 1 m
Intake
3
Exhaust
0.9 m
Intake
3.4 m
Exhaust
10.1 m
Intake
and
exhaust
2.6
0.4 m
Exhaust
0.8 m
Intake
3.0 m
Exhaust
2.1 m
Adapter Ø 80/60
8
INST
ALLER
USER
TECHNICIAN
9
INST
ALLER
USER
TECHNICIAN