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Perforated face
Steel construction
Fixed collar
Installed round diffuser
51% Free Area of Face
No insulation
White finish
Made in the U.S.A.| Part # | Description | Ctn Qty | List Price Each |
|---|---|---|---|
| 6906-38D | 6" collar, Series 3800 damper | 4 | -- |
| 6908-38D | 8" collar, Series 3800 damper | 4 | -- |
| 6910-38D | 10" collar, Series 3800 damper | 4 | -- |
| 6912-38D | 12" collar, Series 3800 damper | 4 | -- |
| Collar Size | Neck Velocity | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
|---|---|---|---|---|---|---|---|---|---|
| 6 | |||||||||
| An .27 | |||||||||
| Ak .34" | Cfm | 61 | 82 | 102 | 122 | 143 | 163 | 184 | 204 |
| Ps | <.01 | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | 0.06 | 0.08 | |
| Nc | <20 | <20 | <20 | <20 | 21 | 24 | 28 | 32 | |
| Throw | 4 | 5 | 7 | 8 | 9 | 11 | 12 | 13 | |
| 8 | |||||||||
| An .35 | |||||||||
| Ak .34" | Cfm | 82 | 109 | 136 | 163 | 191 | 217 | 245 | 272 |
| Ps | <.01 | 0.01 | 0.02 | 0.03 | 0.04 | 0.06 | 0.07 | 0.09 | |
| Nc | <20 | <20 | 23 | 26 | 31 | 39 | 43 | 45 | |
| Throw | 6 | 7 | 9 | 11 | 12 | 14 | 15 | 17 | |
| 10 | |||||||||
| An .55 | |||||||||
| Ak .49" | Cfm | 123 | 164 | 204 | 245 | 286 | 327 | 368 | 409 |
| Ps | 0.01 | 0.02 | 0.03 | 0.04 | 0.06 | 0.07 | 0.09 | 0.11 | |
| Nc | <20 | <20 | 21 | 26 | 34 | 40 | 42 | 47 | |
| Throw | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 26 | |
| 12 | |||||||||
| An .79 | |||||||||
| Ak .49" | Cfm | 147 | 196 | 245 | 294 | 343 | 392 | 441 | 490 |
| Ps | 0.01 | 0.02 | 0.03 | 0.04 | 0.06 | 0.08 | 0.10 | 0.12 | |
| Nc | <20 | 20 | 25 | 33 | 40 | 42 | 43 | 48 | |
| Throw | 10 | 12 | 16 | 19 | 21 | 24 | 27 | 29 | |
| 14 | |||||||||
| An 1.07 | |||||||||
| Ak .61" | Cfm | 183 | 244 | 305 | 366 | 427 | 488 | 549 | 610 |
| Ps | 0.01 | 0.02 | 0.03 | 0.05 | 0.06 | 0.08 | 0.11 | 0.13 | |
| Nc | <20 | 20 | 25 | 30 | 38 | 44 | 45 | 49 | |
| Throw | 11 | 14 | 19 | 22 | 25 | 28 | 31 | 34 |
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