Lindab DRU - Page 23

23
We reserve the right to make changes without prior notice
lindab | we simplify construction
250 1500300 400 500 1000
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
324510
v
15
20
30
40
50
60
70
80
90
100
130
Ø400
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø400
130 200 300 50
01
8901000
[l/s]
[m/s]
q
v
k
123451015
15 20
30
40
50
60
70
80
90
100
130
35
40
30
35
45
50
55
60
65
70
L
WA
[dB]
2500400 1000500 1500 2000
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
34510
v
25
50
40
30
60
80
70
90
100
150
190
Ø500
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø500
200 2000300 500 29501000
[l/s]
[m/s]
q
v
k
123451015
40
30
25
50
60
70
80
90
100
150
190
40
35
30
45
50
55
60
65
75
70
L
WA
[dB]
4000600 1000 1500 2000
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
334510
v
38
40
50
60
70
90
100
150
80
200
250
300
310
Ø630
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø630
500
310 1000 200046803000
[l/s]
[m/s]
q
v
k
123451015
4038 50 60 70 80 90 100
150
200
250
300
310
40
35
45
50
55
60
65
70
75
80
L
WA
[dB]
Flow graphs for balancing Pressure drop graphs with noise genera-
tion for dimensioning
Damper with flow meter
DIRU, DIRBU, DIRVU