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Fire/Smoke Dampers
Nailor’s commitment to the development of new and existing fire and smoke control technology has resulted in a comprehensive line of premium quality smoke, fire and combination fire/smoke dampers. All Nailor Fire/Smoke Dampers are tested and labeled in accordance with UL 555 and UL 555S. 1 ½ hour or 3 hour rated models available.
Nailor 1220(-3) Series Airfoil Blade Combination Fire/Smoke Dampers are available with fire resistance ratings of 1 ½ or 3 hours and leakage ratings of Class I or II. Qualified to 4000 fpm (20 m/s) and 8 in. w.g. (2 kPa) and may be installed in vertical walls or partitions, or horizontally in floors.
Nailor 1270 Series Vee Blade Combination Fire/Smoke Dampers are available with fire resistance ratings of 1 ½ hours and leakage ratings of Class I or II. Qualified to 2000 fpm (10 m/s) and 4 in. w.g. (1 kPa) and may be installed in vertical walls or partitions, or horizontally in floors.
Nailor 1290FS and 1290FS-SS Series Fire/Smoke Dampers are an economical true round damper ideal for all round duct applications and offers the lowest leakage class available. Qualified for installation with airflow in either direction. Qualified to 4000 fpm (20 m/s) and 4 in. w.g. (1 kPa).