4" Round Vertical Mount Fire Damper 2649-32 Specialty Products TVB - Thermal Vapor Blanket

TVB - Thermal Vapor Blanket

Smoke Test and More Information on MA Series Diffusers

blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust-resistant pre-coat with durable powder finish Soft White Options Screwdriver operated Opposed Blade Damper 2" ADC compliant square to round collar with a bead for ease of installation Heavy Duty Construction MRI Compatible Insect Screen Fractional

1” rim size (2” larger than nominal duct size / order size)

4" Round Vertical Mount Fire Damper 2649-32 Specialty Products TVB - Thermal Vapor Blanketh3. Standard Features * 2649 Round damper for vertical mount only. Available 4" thru 52" round. * 2650 Round spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 52" round. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self locking