Data Sheet for Product

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Siemens Industry
, Inc.
Siemens Industry, Inc.
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Document No.
149
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319P25
Printed in the USA
Page 19 of 19
Table 7. Radiated Sound Data for Single Duct Supply Air Terminals
(Sound Power Levels, Lw dB, re 10^-12 Watts)
125 Pa (0.5" W.G.) 250 Pa (1.0" W.G.) 500 Pa (2.0" W.G.) 750 Pa (3.0" W.G.)
Unit Airflow
Octave Band Octave Band Octave Band Octave Band
Size 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
2515 1187 56 52 50 42 37 29 61 57 56 48 43 35 66 63 62 54 49 41 69 66 66 57 53 45
500 236 43 37 35 28 22 — 48 43 41 33 27 — 54 50 47 39 32 26 57 53 51 42 35 29
14 1250 590 49 44 42 35 30 21 55 50 48 41 35 27 60 56 54 46 40 33 63 60 58 50 43 37
2000 944 52 47 45 39 34 25 58 53 51 44 39 31 63 59 57 50 44 37 67 63 61 53 47 41
2750 1298 54 49 47 41 37 28 60 56 54 47 42 34 66 62 60 52 47 40 69 65 63 56 50 43
3420 1614 56 51 49 43 39 30 62 57 55 49 44 36 67 63 61 54 49 42 70 67 65 58 51 45
600 283 37 39 32 28 23 -- 42 45 37 33 28 26 47 52 43 37 33 33 51 55 46 40 36 37
1400 661 45 45 40 36 31 26 51 51 45 40 36 32 56 58 51 45 42 39 59 61 54 48 45 42
16 2200 1038 50 48 44 40 36 29 55 55 49 44 41 35 60 61 55 49 46 42 63 65 58 52 50 46
3000 1416 53 50 47 43 39 31 58 57 52 47 44 37 63 63 58 52 49 44 67 67 61 55 53 48
3800 1793 55 52 49 45 41 32 60 58 55 49 46 39 66 65 60 54 52 46 69 68 63 57 55 49
4470 2110 57 53 50 46 43 34 62 60 56 51 48 40 67 66 62 55 53 47 70 70 65 58 57 50
1500 708 49 46 40 34 29 23 52 50 44 37 31 26 55 54 48 39 33 29 57 57 50 41 34 31
3500 1652 61 56 52 48 44 37 64 60 56 50 46 40 67 65 60 53 48 43 69 67 62 54 49 45
18 5500 2596 68 62 58 55 52 44 71 66 62 58 54 47 74 70 66 60 56 50 75 73 68 62 57 52
7500 3540 72 66 63 60 58 49 75 70 67 63 60 52 78 74 70 65 62 56 80 76 73 67 63 57
8530 4026 74 67 65 62 60 51 77 71 68 65 62 54 80 76 72 67 64 58 82 78 75 69 65 59
Performance Notes:
1. Tested in accordance with with AHRI 880-2011 and ASHRAE Standard 130-1996: "Methods of Testing for Rating Ducted Air Terminal Units".
2. Airflow given in liters/second L/s; and cubic feet/minute, cfm.
3. Blank spaces ”–“ indicate sound power levels less than 20.
4. Pressure given in Pascals, (Pa) and inches of water gauge (in. w.g.).