Fire Rated Ceiling Diffuser

Fire rated stamped square diffusers.

Fire rated ceiling diffuser.

A high capacity ceiling diffuser because it maintains an unbroken horizontal flow pattern from maximum cfm down to minimum it is an excellent choice for variable air volume applications. Ul classified fire rated ceiling diffuser assembly listed in the underwriters laboratories fire resistance directory. Fire rated ceiling diffusers author. Nailor 4070 4075 4080 and 4085 series fire rated perforated diffusers combine the cost effective uniform look of a perforated diffuser with the ul listed and classfied protection for exposed grid suspended ceilings lay in t bar with up to a 3 hour rating.

The damper has a fusible link that melts at 165 f causing the blades to close. Steel plenum slot diffuser fixed blade fire rated the pftbs offers the safety of fire rated performance with the proven ptbss series diffuser. Price corporate communications subject. Model series 4000 and 4400.

Section g submittals keywords. It is intended for use with lay in t bar application involving fire rated ceiling designs. Dampers are ul fire rated to help prevent the spread of fire for up to 3 hours. Delivers supply air in a true 360 pattern designed to protect ceiling from streaking and smudging.

Fire rated packages products matching your selection metalaire is the flagship brand of metal industries inc offering a complete line of air distribution and air terminal products. They hare designed to provide an extremely cost effective product that offers both the unobtrusive appearance required for architectural excellence and the 360 diffusion pattern at minimum nc levels required for high engineering performance. Has a fire resistance rating of 3 hours or less when installed in accordance with the installation instructions. 4000 and 4400 series diffusers are a fire rated version of the popular rns series stamped square ceiling diffusers.

Fit these diffusers into your drop ceiling to stop airflow in the event of a fire.