The ventilation system may still be running during closure.
The dynamic curtain arrangement is selected for closure with airflow present.
A folded galvanized curtain is retained clear of the opening during normal ventilation. Heat releases the fusible link and the stainless closure spring draws the curtain across the compact square frame.
| Nominal Opening | 305 x 305 mm |
|---|---|
| Mounting | Vertical |
| Frame Depth | 56 mm |
| Frame and Curtain | Galvanized steel |
| Closure Spring | Stainless steel |
| Fire Resistance Configuration | 1.5 hours |
| Dynamic Velocity | 2000 fpm |
| Maximum Pressure | 4 in. w.g. |
| Fusible Link Temperature | 165 °F (74 °C) |
| 사용자 정의 | Available for the intended barrier opening and duct connection. |
The dynamic curtain arrangement is selected for closure with airflow present.
The narrow frame can be incorporated into an appropriately sized connecting sleeve.
치수, 설치 조건, 성능 목표 및 필요한 표면 마감을 보내십시오.