Data Sheet for Product

Page 18 of 23
Siemens Industry, Inc.
Table 6. Venturi Air Valve c/w 36" Packless Silencer Radiated Sound.
Sound Power Levels Lw. dB, RE 10
-12
Watts
150 Pa (0.6" W.G.)
250 Pa (1.0" W.G.)
500 Pa (1.0" W.G.)
750 Pa (3.0" W.G.)
Air Flow
Octave Band
Octave Band
Octave Band
Octave Band
Unit Size
Inlet Area
cfm
L/s
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
212
180
85
*
*
*
*
*
*
37
34
36
32
36
32
39
36
39
34
39
35
43
39
42
38
43
39
900
425
*
*
*
*
*
*
56
54
53
49
50
47
58
56
56
51
53
50
62
59
59
55
57
54
1600
755
*
*
*
*
*
*
63
61
59
55
56
52
65
63
62
57
59
55
68
66
65
61
63
60
2300
1085
*
*
*
*
*
*
67
66
63
59
59
56
69
67
66
61
62
59
73
70
69
65
66
63
3000
1416
*
*
*
*
*
*
70
69
66
62
61
58
73
71
69
64
64
61
76
73
72
68
69
66
312
270
127
33
30
32
27
28
23
40
37
40
35
38
33
43
38
42
37
41
36
46
41
45
41
45
40
1400
661
51
49
49
44
43
39
59
55
57
52
53
48
61
57
59
55
56
51
65
60
63
58
60
56
2500
1180
58
56
55
50
49
44
65
62
63
58
58
54
68
64
66
61
61
57
71
67
69
64
65
61
3600
1699
62
60
59
54
52
47
70
66
67
62
62
57
72
68
69
64
65
60
75
71
73
68
69
65
4500
2124
65
63
62
56
54
49
72
69
69
64
64
59
74
71
72
67
67
62
78
73
75
70
71
67
Table 7. Venturi c/w 36" Packless Silencer (Supply) Discharge Sound.
Sound Power Levels Lw. dB, RE 10
-12
Watts
150 Pa (0.6" W.G.)
250 Pa (1.0" W.G.)
375 Pa (1.5" W.G.)
750 Pa (3.0" W.G.)
Air Flow
Octave Band
Octave Band
Octave Band
Octave Band
Unit Size
Inlet Area
cfm
L/s
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
8
0.349
50
24
29
-----
-----
-----
24
-----
32
-----
-----
23
27
-----
37
24
-----
29
31
24
40
26
-----
32
34
26
200
94
43
34
28
35
38
34
46
37
30
39
41
37
51
41
32
44
45
42
54
44
34
48
48
45
375
177
49
42
36
42
44
42
52
45
38
46
48
46
57
49
41
51
52
51
60
52
42
55
54
54
550
260
53
46
41
46
48
48
56
50
43
50
51
51
61
54
46
56
56
56
64
57
47
59
58
59
700
330
55
49
45
49
51
51
58
53
46
53
54
55
63
57
49
58
58
59
66
60
50
62
61
62
10
0.545
60
28
30
27
-----
-----
32
22
40
37
-----
30
42
33
34
31
-----
24
36
27
43
41
-----
33
45
37
300
142
46
40
27
39
44
38
57
51
33
49
54
50
51
45
30
43
48
43
60
55
35
53
57
54
550
260
53
46
36
46
48
45
63
56
41
56
58
56
57
50
38
51
52
49
66
60
43
60
62
60
800
378
57
49
41
51
51
48
67
59
47
61
61
60
61
53
43
55
55
53
70
63
48
64
64
63
1000
472
59
51
44
54
52
51
69
61
50
64
63
62
63
55
46
58
57
55
72
65
52
67
66
66
12
0.785
90
42
35
26
15
28
30
23
39
31
17
32
34
28
44
36
20
38
40
34
47
39
22
41
44
38
400
189
50
41
30
42
43
40
54
45
33
46
48
45
60
51
36
51
53
51
63
54
38
54
57
54
750
354
57
47
37
48
49
47
61
51
39
52
53
52
66
57
42
57
59
58
69
60
44
60
62
61
1100
519
61
51
41
51
52
51
65
55
43
55
57
56
70
60
46
60
62
62
73
64
48
63
66
66
1500
708
64
54
44
54
55
55
68
58
46
58
59
60
73
63
50
63
65
66
76
67
52
66
69
69