Grille Tab Option for Fire, Smoke, and
Combination Fire Smoke Dampers
DFD & FD Series
FSD Series
Refer to:
‘Installation Instructions for Single Side
Retaining Angle Supplement (Part #462099) for
additional details.
SMD series
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).
2 in.
TOP
3/4 in.
HEIGHT
1/2
HEIGHT
BOTTOM
TOP
TH
LENG
"K" DIM
WIDTH
SLEEVE
Curtain style FD/DFD series
HEIGHT
1/2
HEIGHT
BOTTOM
WIDTH
Multi-blade DFD series,
FSD series & SMD series
Copyright © 2008 Greenheck Fan Corporation
Grille option for Fire, Combination Fire Smoke,
Smoke Dampers Rev. 3 July 2008
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