Immergas CAESAR 14 3 E - Page 8

8 - IE
INSTALLATORUSERTECHNICIAN
Tables of Resistance Factors and Equivalent Lengths.
DUCT TYPE
Resistance
Factor
(R)
Equivalent
length in m of concentric pipe
Ø 60/100
Equivalent
length
in m of pipe
Ø 80
Concentric pipe Ø 60/100 m 1
Intake and
Exhaust 16.5
m 1
Intake m 7.1
Exhaust m 5.5
Concentric bend 90° Ø 60/100
Intake and
Exhaust 21
m 1.3
Intake m 9..1
Exhaust m 7.0
Concentric bend 45° Ø 60/100
Intake and
Exhaust 16.5
m 1
Intake m 7.1
Exhaust m 5.5
Terminal complete with concentric horizontal
intake-exhaust Ø 60/100
Intake and
Exhaust 46
m 2.8
Intake m 20
Exhaust m 15
Concentric horizontal
intake- exhaust terminal Ø 60/100
Intake and
Exhaust 32
m 1.9
Intake m 14
Exhaust m 10.6
Concentric vertical
intake-exhaust terminal Ø 60/100
Intake and
Exhaust 41.7
m 2.5
Intake m 18
Exhaust 14
Pipe Ø 80 m 1 (with and without insulation)
Intake 2.3 m 0.1 Intake m 1.0
Exhaust 3 m 0.2 Exhaust m 1.0
Complete air intake terminal Ø 80 m 1
(with or without insulation)
Intake 5 m 0.3 Intake m 2.2
Intake terminal Ø 80
Exhaust terminal Ø 80
Intake 3 m 0.2 Intake m 1.3
Exhaust 2.5 m 0.1 Exhaust m 0.8
Bend 90° Ø 80
Intake 5 m 0.3 Intake m 2.2
Exhaust 6.5 m 0.4 Exhaust m 2.1
Bend 45° Ø 80
Intake 3 m 0.2 Intake m 1.3
Exhaust 4 m 0.2 Exhaust m 1.3
Split parallel Ø 80
from Ø 60/100 to Ø 80/80
Intake and
Exhaust 8.8
m 0.5
Intake m 3.8
Exhaust m 2.9