Lindab DRU - Page 22

22
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lindab | we simplify construction
100 600400 500150 200 300
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
3
45 10
v
8
10
12
15
20
25
30
35
40
45
Ø250
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø250
50 100 200 300 740500
[l/s]
[m/s]
q
v
k
123451015
810121520
25
30
35
40
45
40
35
30
45
50
55
60
85
80
75
70
65
L
WA
[dB]
150 900200 300 400 500
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
34510
v
14
15
20
25
30
35
40
50
60
65
Ø300
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø300
100
70 200 300 5001060
[l/s]
[m/s]
q
v
k
123451015
15 20
25 30
35
40
50
60
65
35
30
40
45
50
55
60
65
70
L
WA
[dB]
150 1000200
300
400 500
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
324510
v
13
15
20
25
30
35
40
50
70
60
75
Ø315
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø315
100
80 200 300 500 1170
[l/s]
[m/s]
q
v
k
123451015
13
15
20 25 30
40
50
60
70
75
30
35
45
50
55
60
65
40
L
WA
[dB]
Flow graphs for balancing Pressure drop graphs with noise genera-
tion for dimensioning
Damper with flow meter
DIRU, DIRBU, DIRVU