Fire Damper, Square, Mounting Type Dynamic, Vertical or HorizontalNominal Duct Width 12 In., Nominal Duct Height 12 In., Damper Depth 3-11/16 In., Recommended Retaining Angle 2TGH2, Material 22 ga. Galvanized SteelDamper Height 11-3/4 In., Damper Width 11-3/4 In., Fire Rated 1-1/2 hr., Free Area 0.643 sq. ft., Fusible Link 165 Degrees F, For Use With Low Pressure HVAC Systems, Standards UL Standard 555, NFPA 80, 90A and 101, IBC, CSFM, NYC MEA
Life Safety Dampers- Fire Dampers
- Dynamic
- Steel spring-assist closing.
- Accommodate airflow in either direction.
- Fire-resistance rating: 1-1/2 hr. Max. temp.: 165 F Curtain blade style NFPA 80 requires retaining angles
- Velocity rating: 2,000 fpm Pressure rating: 4" wg
- UL, NFPA, IBC, MEA, CSFM