Fire Rated Ceiling Diffuser

Section g submittals keywords.

Fire rated ceiling diffuser.

Fire rated modular core diffusers. Fit these diffusers into your drop ceiling to stop airflow in the event of a fire. Ul classified fire rated ceiling diffuser assembly listed in the underwriters laboratories fire resistance directory. 4000 and 4400 series diffusers are a fire rated version of the popular rns series stamped square ceiling diffusers.

Model series 4000 and 4400. 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. 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.

It combines flexibility with all of the features of the standard ptbss and is available exclusively in steel. It is intended for use with lay in t bar application involving fire rated ceiling designs. Fire rated stamped square diffusers. The damper has a fusible link that melts at 165 f causing the blades to close.

Has a fire resistance rating of 3 hours or less when installed in accordance with the installation instructions. Dampers are ul fire rated to help prevent the spread of fire for up to 3 hours. 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. Steel plenum slot diffuser fixed blade fire rated the pftbs offers the safety of fire rated performance with the proven ptbss series diffuser.

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.