Immergas Maior Eolo 24 4E - Page 7

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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 concentric
pipe
Ø80/125
Equivalent
length
in m of pipe
Ø80
Concentric pipe Ø60/100 m 1
Intake and
Exhaust 16,5
m 1 m 2,8
Intake m 7,1
Exhaust m 5,5
Concentric bend 90° Ø60/100
Intake and
Exhaust 21
m 1,3 m 3,5
Intake m 9,1
Exhaust m 7,0
Concentric bend 45° Ø60/100
Intake and
Exhaust 16,5
m 1 m 2,8
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 m 7,6
Intake m 20
Exhaust m 15
Terminal complete with horizontal
intake-exhaust Ø60/100
Intake and
Exhaust 32
m 1,9 m 5,3
Intake m 14
Exhaust m 10,6
Terminal complete with concentric vertical
intake-exhaust Ø60/100
Intake and
Exhaust 41,7
m 2,5 m 7
Intake m 18
Exhaust 14
Concentric pipe Ø80/125 m 1
Intake and
Exhaust 6
m 0,4 m 1,0
Intake m 2,6
Exhaust m 2,0
Concentric bend 90° Ø80/125
Intake and
Exhaust 7,5
m 0,5 m 1,3
Intake m 3,3
Exhaust m 2,5
Concentric bend 45° Ø80/125
Intake and
Exhaust 6
m 0,4 m 1,0
Intake m 2,6
Exhaust m 2,0
Terminal complete with intake-exhaust
vertical concentric Ø80/125
Intake and
Exhaust 33
m 2,0 m 5,5
Intake m 14,3
Exhaust m 11,0
Terminal complete with concentric vertical
intake-exhaust Ø80/125
Intake and
Exhaust 26,5
m 1,6 m 4,4
Intake m 11,5
Exhaust m 8,8
Terminal complete with concentric
horizontal intake-exhaust Ø80/125
Intake and
Exhaust 39
m 2,3 m 6,5
Intake m 16,9
Exhaust m 13
Terminal complete with horizontal
intake-exhaust Ø80/125
Intake and
Exhaust 34
m 2,0 m 5,6
Intake m 14,8
Exhaust m 11,3
Concentric adapter from Ø60/100
to Ø80/125 with condensate trap
Intake and
Exhaust 13
m 0,8 m 2,2
Intake m 5,6
Exhaust m 4,3
Concentric adapter from Ø60/100
to Ø80/125
Intake and
Exhaust 2
m 0,1 m 0,3
Intake m 0,8
Exhaust m 0,6
Pipe Ø80 m 1 (with and without insula-
tion)
Intake 2,3 m 0,1 m 0,4 Intake m 1,0
Exhaust 3 m 0,2 m 0,5 Exhaust m 1,0
Complete air intake terminal Ø80
m 1 (with or without insulation)
Intake 5 m 0,3 m 0,8 Intake m 2,2
Intake terminal Ø80
Exhaust terminal Ø80
Intake 3 m 0,2 m 0,5 Intake m 1,3
Exhaust 2,5 m 0,1 m 0,4 Exhaust m 0,8
Bend 90° Ø80
Intake 5 m 0,3 m 0,8 Intake m 2,2
Exhaust 6,5 m 0,4 m 1,1 Exhaust m 2,1
Bend 45° Ø80
Intake 3 m 0,2 m 0,5 Intake m 1,3
Exhaust 4 m 0,2 m 0,6 Exhaust m 1,3
Parallel split Ø80 from
Ø60/100 to Ø80/80
Intake and
Exhaust 8,8
m 0,5 m 1,5
Intake m 3,8
Exhaust m 2,9