4" Round Vertical Mount Fire Damper 2649-22 Smoke-Fire Damper HVL Series Submittal

HVL Series Submittal

Smoke Test and More Information on MA Series Diffusers

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

Steel construction

4" Round Vertical Mount Fire Damper 2649-22 Smoke-Fire Damper HVL Series Submittalh3. 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