Class I 1½ Hr. Single Thickness Blade Combination Fire/Smoke Damper
| Model: | FS1 |
| Depth: | 5½” |
| Orientation: | Vertical or Horizontal |
| Frame Material: | 16 ga. Galvanized Steel |
| Frame Type: | Hat Channel; Flat Head and Sill for Sizes thru 13″ High |
| Sleeve: | 20 ga. Galvanized Steel by 18″ Long Sizes Greater than 84″ Require 18 ga. |
| Blade Material: | 16 ga.Galvanized Steel Single Thickness |
| Blade Action: | Parallel |
| Blade Seals: | Silicone |
| Jamb Seals: | Stainless Steel |
| Bearings: | Oil Impregnated Bronze |
| Axles: | Plated Solid Steel Stub |
| Linkage: | Plated Steel Angle and Crank Plates with Stainless Steel Pivots In-Jamb or On-Blade |
| Stops: | 18 ga. Galvanized at Head and Sill |
| Actuator: | Electric 120V, 24V or 230V with Heat Response Device (EHRD) Pneumatic with Heat Response Device (PHRD) Factory installed for Power-Open/Spring-Close (Fail Close) Operation External Left Hand Mount Standard Right Hand and/or Internal Mount Options |
| Finish: | Mill |
| Max Differential Pressure: | 4 in. w.g. |
| Max Velocity: | 2000fpm or 3000fpm |
| Leakage Rating: | 4 cfm per ft2 Max at 1 in. w.g. 8 cfm per ft2 Max at 4 in. w.g. |