Spiral Duct Diffusers
SDD
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Double Deflection- Sunken Screw Holes
- Adjustable Blades
- Gaskets on Margin
- Galvanized Finish
- Made in the U.S.A.
| Part # | Description | Ctn Qty | List Price Each |
|---|---|---|---|
| SDD 1003 | 10"x3" Double Deflection | 1 | -- |
| SDD 1004 | *10"x4" Double Deflection | 5 | -- |
| SDD 1006 | *10"x6" Double Deflection | 5 | -- |
| SDD 1203 | 12"x3" Double Deflection | 1 | -- |
| SDD 1204 | *12"x4" Double Deflection | 5 | -- |
| SDD 1206 | *12"x6" Double Deflection | 5 | -- |
| SDD 1403 | 14"x3" Double Deflection | 1 | -- |
| SDD 1404 | *14"x4" Double Deflection | 5 | -- |
| SDD 1406 | *14"x6" Double Deflection | 5 | -- |
| SDD 1408 | *14"x8" Double Deflection | 5 | -- |
| SDD 1603 | 16"x3" Double Deflection | 1 | -- |
| SDD 1604 | 16"x4" Double Deflection | 1 | -- |
| SDD 1606 | 16"x6" Double Deflection | 1 | -- |
| SDD 1608 | 16"x8" Double Deflection | 1 | -- |
| SDD 1610 | 16"x10" Double Deflection | 1 | -- |
| SDD 1803 | 18"x3" Double Deflection | 1 | -- |
| SDD 1804 | 18"x4" Double Deflection | 1 | -- |
| SDD 1806 | *18"x6" Double Deflection | 5 | -- |
| SDD 1808 | *18"x8" Double Deflection | 5 | -- |
| SDD 1810 | 18"x10" Double Deflection | 1 | -- |
| SDD 1812 | 18"x12"Double Deflection | 1 | -- |
| SDD 2003 | 20"x3" Double Deflection | 1 | -- |
| SDD 2004 | 20"x4" Double Deflection | 1 | -- |
| SDD 2006 | *20"x6" Double Deflection | 5 | -- |
| SDD 2008 | *20"x8" Double Deflection | 5 | -- |
| SDD 2010 | 20"x10" Double Deflection | 1 | -- |
| SDD 2012 | 20"x12" Double Deflection | 1 | -- |
| SDD 2403 | 24"x3" Double Deflection | 1 | -- |
| SDD 2404 | 24"x4" Double Deflection | 1 | -- |
| SDD 2406 | 24"x6" Double Deflection | 1 | -- |
| SDD 2408 | 24"x8" Double Deflection | 1 | -- |
| SDD 2410 | 24"x10" Double Deflection | 1 | -- |
| SDD 2412 | 24"x12" Double Deflection | 1 | -- |
| SDD 3003 | 30"x3" Double Deflection | 1 | -- |
| SDD 3004 | 30"x4" Double Deflection | 1 | -- |
| SDD 3006 | 30"x6" Double Deflection | 1 | -- |
| SDD 3008 | 30"x8"Double Deflection | 1 | -- |
| SDD 3010 | 30"x10" Double Deflection | 1 | -- |
| SDD 3012 | 30"x12" Double Deflection | 1 | -- |
| SDD 3603 | 36"x3" Double Deflection | 1 | -- |
| SDD 3604 | 36"x4" Double Deflection | 1 | -- |
| SDD 3606 | 36"x6" Double Deflection | 1 | -- |
| SDD 3608 | 36"x8" Double Deflection | 1 | -- |
| SDD 3610 | 36"x10" Double Deflection | 1 | -- |
| SDD 3612 | 36"x12" Double Deflection | 1 | -- |
| Face Velocity | 300 | 400 | 500 | 600 | 700 | 800 | 1000 | 1200 | |
|---|---|---|---|---|---|---|---|---|---|
| Total Pressure | 0.016 | 0.029 | 0.046 | 0.066 | 0.09 | 0.117 | 0.183 | 0.263 | |
| 10 x 3 | CFM | 42 | 56 | 70 | 84 | 98 | 112 | 140 | 168 |
| Ak .14 | Horizontal Throw | 3-Jul | 4-Aug | 5-Sep | 6-Oct | 7-Nov | 8-Dec | 13-9 | 14-10 |
| Noise Criteria | 23 | 29 | 35 | ||||||
| 12 x3 | CFM | 54 | 72 | 90 | 108 | 126 | 144 | 180 | 216 |
| Ak .18 | Horizontal Throw | 5-Aug | 6-Sep | 7-Oct | 8-Nov | 8-Dec | 13-9 | 14-10 | 16-11 |
| Noise Criteria | 20 | 24 | 31 | 36 | |||||
| 10 x 4 | CFM | 63 | 84 | 105 | 126 | 147 | 168 | 210 | 252 |
| 14 x 3 | Horizontal Throw | 5-Aug | 7-Oct | 8-Nov | 8-Dec | 13-9 | 14-10 | 16-11 | 17-12 |
| Ak .21 | Noise Criteria | 21 | 25 | 31 | 37 | ||||
| 16 x 3 | CFM | 75 | 100 | 125 | 150 | 175 | 200 | 250 | 300 |
| 12 x 4 | Horizontal Throw | 5-Sep | 7-Nov | 8-Dec | 13-9 | 14-10 | 15-11 | 17-12 | 19-13 |
| Ak .25 | Noise Criteria | 21 | 25 | 32 | 37 | ||||
| 24 x 3 | CFM | 117 | 156 | 195 | 234 | 273 | 312 | 390 | 468 |
| 12 x 6 | Horizontal Throw | 7-Dec | 13-9 | 15-10 | 17-11 | 18-12 | 19-13 | 21-15 | 24-16 |
| Ak .39 | Noise Criteria | 23 | 27 | 34 | 39 | ||||
| 24 x 4 | CFM | 156 | 208 | 260 | 312 | 364 | 416 | 520 | 624 |
| 16 x 6 | Horizontal Throw | 13-8 | 16-11 | 18-12 | 19-13 | 21-14 | 22-15 | 25-17 | 27-19 |
| Ak .52 | Noise Control | 20 | 24 | 28 | 35 | 40 | |||
| 14 x 8 | CFM | 189 | 252 | 315 | 378 | 441 | 504 | 630 | 756 |
| 18 x 6 | Horizontal Throw | 15-8 | 17-12 | 19-13 | 21-14 | 23-16 | 24-17 | 27-19 | 30-20 |
| Ak .63 | Noise Control | 20 | 25 | 29 | 36 | 41 | |||
| 20 x 6 | CFM | 198 | 264 | 330 | 396 | 462 | 528 | 660 | 792 |
| Ak .66 | Horizontal Throw | 15-9 | 18-12 | 20-13 | 22-15 | 24-16 | 25-17 | 28-19 | 31-21 |
| Noise Criteria | 21 | 25 | 29 | 36 | 41 | ||||
| 16 x 8 | CFM | 213 | 284 | 355 | 426 | 497 | 568 | 710 | 852 |
| Ak .71 | Horizontal Throw | 16-9 | 18-13 | 20-14 | 23-15 | 24-17 | 26-18 | 30-20 | 35-22 |
| Noise Control | 21 | 26 | 30 | 36 | 42 | ||||
| 24 x 6 | CFM | 264 | 352 | 440 | 528 | 616 | 704 | 880 | 1056 |
| 18 x 8 | Horizontal Throw | 18-10 | 20-14 | 23-16 | 25-17 | 27-18 | 29-20 | 32-22 | 36-24 |
| Ak .88 | Noise Control | 22 | 26 | 30 | 37 | 43 | |||
| 20 x 8 | CFM | 294 | 392 | 490 | 588 | 686 | 784 | 980 | 1176 |
| 16 x 10 | Horizontal Throw | 19-10 | 21-15 | 24-17 | 26-18 | 28-19 | 30-21 | 34-23 | 38-25 |
| Ak .98 | Noise Control | 23 | 27 | 31 | 38 | 44 | |||
| 18 x 10 | CFM | 333 | 444 | 555 | 666 | 777 | 888 | 1110 | 1332 |
| Ak 1.11 | Horizontal Throw | 20-11 | 23-16 | 25-18 | 28-19 | 30-21 | 32-22 | 36-25 | 40-27 |
| Noise Control | 23 | 27 | 31 | 38 | 44 | ||||
| 36 x 6 | CFM | 405 | 540 | 675 | 810 | 945 | 1080 | 1350 | 1620 |
| 18 x 12 | Horizontal Throw | 22-12 | 25-17 | 28-19 | 31-21 | 34-23 | 36-24 | 40-27 | 44-30 |
| Ak 1.35 | Noise Control | 24 | 28 | 32 | 39 | 44 | |||
| 24 x 10 | CFM | 447 | 596 | 745 | 894 | 1043 | 1192 | 1490 | 1788 |
| 20 x 12 | Horizontal Throw | 23-13 | 26-18 | 30-20 | 32-22 | 35-24 | 37-26 | 42-29 | 46-31 |
| Ak 1.49 | Noise Control | 24 | 29 | 33 | 39 | 45 | |||
| 24 x 12 | CFM | 546 | 728 | 910 | 1092 | 1274 | 1456 | 1820 | 2184 |
| Ak 1.82 | Horizontal Throw | 25-14 | 30-20 | 33-22 | 36-25 | 39-27 | 42-28 | 47-32 | 51-35 |
| Noise Control | 25 | 30 | 34 | 40 | 46 | ||||
| 36 x 10 | CFM | 687 | 916 | 1145 | 1374 | 1603 | 1832 | 2290 | 2748 |
| 30 x 12 | Horizontal Throw | 29-16 | 33-22 | 37-25 | 41-28 | 44-30 | 47-32 | 53-36 | 61-42 |
| Ak 2.29 | Noise Control | 20 | 26 | 30 | 34 | 41 | 47 | ||
| 36 x 12 | CFM | 825 | 1100 | 1375 | 1650 | 1925 | 2200 | 2750 | 3300 |
| Ak 2.75 | Horizontal Throw | 31-18 | 36-25 | 41-28 | 44-30 | 48-33 | 51-35 | 57-39 | 63-43 |
| Noise Control | 21 | 27 | 31 | 35 | 42 | 47 |