Application

The grille option for Fire, Combination Fire Smoke and Smoke Dampers provides mounting tabs on the sleeve to

ease installation of grilles in the field. The tabs are made out of 20 gauge (1mm) galvanized steel (3/4 inch x 2 in.

long [19mm x 51mm]) with .149 in. (3.8mm) diameter hole for fastening of grille. The flanges are concealed when

the grille is installed. The grille option is limited to 48 in. x 48 in. (1219mm x 1219mm).

Grille Tab Option for Fire, Smoke, and

Combination Fire Smoke Dampers

DFD & FD Series

FSD Series

3/4 in.

Grille option for Fire, Combination Fire Smoke,