Lindab DRU - Page 21

21
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lindab | we simplify construction
35 40 50 100 150 200
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
2345 10
v
3,5
4,0
5,0
6,0
7,0
8,0
9,0
10
12
15
Ø150
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø150
20 30 40 50 260100 200
[l/s]
[m/s]
q
v
k
123451015
43,5 5
678
9
10
12
15
40
35
30
45
50
55
60
65
70
L
WA
[dB]
40 50 250100 150 200
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
2345 10
v
3,5
4,0
5,0
6,0
7,0
8,0
10
9,0
12
15
16
Ø160
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø160
20 30 40 50 300100 200
[l/s]
[m/s]
q
v
k
123451015
5
4
3,5
6
7
8
9
10
12
15
16
40
30
35
45
50
55
60
65
70
75
80
85
90
L
WA
[dB]
60 400300100 150 200
q
10
20
30
40
50
100
200
300
∆p
m
k
[m/s]
[l/s]
[Pa]
2345 10
v
7,0
8,0
9,0
10
12
15
20
25
29
Ø200
20
30
50
100
200
300
500
[Pa]
∆p
t
Ø200
30 40 50 475100 200 300
[l/s]
[m/s]
q
v
k
123451015
78
91012
15
20
25
29
40
35
30
45
50
55
60
65
70
75
L
WA
[dB]
Flow graphs for balancing Pressure drop graphs with noise genera-
tion for dimensioning
Damper with flow meter
DIRU, DIRBU, DIRVU