| Model: | CR |
| Depth: | 18" |
| Minimum Panel Size: | 6" Diameter |
| Maximum Panel Size: | 24"Diameter |
| UL Classified: | 1½ Hour Fire Resistance Smoke Leakage Resistance Class I 250°F or 350°F Approved for Dual Direction Airflow Approved for Dynamic Conditions |
| Certifications: | Underwriters Laboratories, Inc.: 555S and 555 National Fire Protection Assoc.: 90A, 92A, & 92B ICC's International Building Code CA State Fire Marshal Listing #3225-1328:123 |
| Orientation: | Vertical or Horizontal |
| Frame Material: | 20 ga. Roll Formed Galvanized Steel |
| Blade Material: | 20 ga. Double Thickness Galvanized Steel (equal to 14 ga.) |
| Blade Seal: | Silicone |
| Axles: | ½" Dia. Full Length Galvanized or Plated Steel |
| Bearing: | Oil Impregnated Bronze Sleeve |
| Caulking: | UL Approved |
| Actuator: | Electric Factory-Installed for Power-Open/ Spring-Close Operation External Left-Hand Mounted (Viewed from Jackshaft Side) |
| Max Differential Pressure: | 4 or 6 in. wg., Depending on Actuator |
| Max Velocity: | 2000 or 3000, Depending on Actuator |
| Leakage Ratings: | 8 CFM per ft2 maximum at 4 in. wg. |