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Fire and Smoke Damper
Merchandise number：FSD-5050 I, II, III
Description：
- UL Listings-File：EMME R40105
- Depth：100mm
- Frame：16 GA Galvanized Steel
- Blades：22 GA Galvanized Steel,
Modified Triple-V Design - Blades operation type：Parallel
- Minimum size：150mm×150mm
◎ Specifications (4"/2000FPM)
| Dynamic | Single Size (Maximum) |
Multiple Size (Maximum) |
|||
| Fire Rating Leakage Rating |
Mounting Position | W | H | W | H |
| 1.5hr Class-I-350℉ |
Vertical | 914 | 1143 | 3048 | 1143 |
| Horizontal | 914 | 1143 | 3658 | 1143 | |
| 3hr Class-I-350℉ |
Vertical | 762 | 762 | - | - |
| 1.5hr Class-II-350℉ |
Vertical | 914 | 1143 | 3048 | 1143 |
| Horizontal | 914 | 1143 | 3658 | 1143 | |
| 3hr Class-II-350℉ |
Vertical | 762 | 762 | - | - |
| 1.5hr Class-III-350℉ |
Vertical | 914 | 1143 | 3048 | 2133 |
| Horizontal | 914 | 1143 | 3658 | 1143 | |
| 3hr Class-III-350℉ |
Vertical | 762 | 762 | - | - |