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H
NOISE CONTROL PRODUCTS
© FANTECH
2016
CIRCULAR DUCT ATTENUATORS
ACOUSTIC PERFORMANCE DATA
Models
C1...QS
C1P...QS
C2...QS
C2P...QS
C1...QS
Q-Seal
Series
C1P...QS
Q-Seal with
Pod Series
C2...QS
Q-Seal
Series
C2P...QS
Q-Seal
with Pod
Series
C1...QS
Q-Seal
Series
C1P...QS
Q-Seal with
Pod Series
C2...QS
Q-Seal
Series
C2P...QS
Q-Seal with
Pod Series
...-031
6
12
12
17
4
7
7
10
...-035
6
12
12
17
4
7
7
10
...-040
6
12
12
17
4
7
7
10
...-045
7
12
12
17
4
7
7
10
...-050
7
12
12
18
4
7
7
10
...-056
7
12
13
18
4
7
8
10
...-063
7
13
13
20
5
7
8
12
...-071
7
13
13
20
5
7
9
12
...-080
7
12
13
20
5
7
9
12
...-090
7
12
12
19
6
8
9
12
...-100
7
12
12
19
6
8
9
13
...-125
6
12
12
18
6
8
9
13
...-140
6
11
11
18
6
8
10
14
...-153
6
10
10
18
7
8
10
15
...-160
6
10
10
18
7
8
10
15
...-180
6
10
10
18
6
8
10
15
....-200
6
10
10
18
6
8
10
15
Low Frequency baised noise
dB(A) reduction*
Models
C1...
C1P...
C2...
C2P...
St
C1...
Standard
Series
Standard
with Pod
Series
C2...
Standard
Series
Standard
with Pod
Series
C1...
Standard
Series
C1P...
Standard
with Pod
Series
C2...
Standard
Series
Standard
with Pod
Series
...-031
9
14
14
20
5
8
8
12
...-035
9
14
15
20
5
8
9
12
...-040
9
15
15
20
5
8
9
12
...-045
9
15
15
20
5
8
9
12
...-050
9
15
15
21
5
8
9
13
...-056
9
15
16
21
6
8
10
13
...-063
10
15
16
23
6
9
10
14
...-071
10
15
16
23
7
9
11
14
...-080
10
15
16
23
7
9
11
14
...-090
9
15
14
23
7
10
11
15
...-100
9
15
15
23
7
10
11
15
...-125
9
15
14
22
8
10
11
15
...-140
9
14
14
22
8
10
13
16
...-153
8
13
13
22
9
10
12
18
...-160
8
13
13
22
9
10
12
18
...-180
8
13
12
22
9
10
12
18
....-200
8
13
12
22
9
10
12
18
General fan noise
dB(A) reduction*
Standard
Series
Q-Seal
Series
* See pages H-2 and H-3 for more information on general fan noise reduction and low frequency bias noise reduction.
H-9
C1P...
C2P...
C2P...