| Model: | SR2 |
| Filter: | SR2H250,SR2H350,SR2V250,SR2V350 |
| Depth: | 18" |
| Orientation: | Vertical or Horizontal |
| Frame Material: | 20 ga. Flat Galvanized Steel |
| Frame Type: | Integral 20 ga. Sleeve |
| Blade Material: | 16 ga. Galvanized Steel |
| Blade Action: | Parallel |
| Blade Seals: | Silicone |
| Bearings: | Oil Impregnated Bronze |
| Linkage: | Galvanized Steel Angle Interconnect; Plated Steel Brackets and Pivots On-Blade |
| Jamb Seals: | Stainless Steel |
| Stops: | 18 ga. Galvanized at Head and Sill |
| Retaining Angles: | ⅞" X 1 ½quot; X 16ga. Adjustable Perimeter Mounting |
| Actuator: | Electric or Pneumatic
Factory installed for power-open/spring-close (fail close) operation
External Left Hand Mount |
| Finish: | Mill |
| Max Differential Pressure: | 4 in. w.g. |
| Max Velocity: | 2000 FPM |
| Leakage Rating: | 20 cfm per ft2 Max at 4 in. w.g. |
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