Back Draft Damper
Blade Width : 1 – Up to 100mm
2 – Up to 150mm
Type : A – Wall mounted
B – Duct Mounted
C – Flush Mounted
Data
Standard Construction
Frame
0.9 mm (20 gauge) roll formed galvanized steel channel.
Blades
0.7 mm (20 gauge) roll formed aluminium.
Bushes
12 mm Ø Nylon
Shaft
12 mm Ø Galvanized Steel.
Gasket
1.5 mm thick, 7 mm wide foam gasket.
Linkage
Common galvanized steel linkage.
Finish
Galvanized mill finish.
Mounting
Vertical.
Optional Fittings
Limit Switches
Remote indication for damper open or close.
Brass Bushes
12 mm Ø bushes for heavy duty applications.
Transitions
Neck adaptor for round duct connections.
Finish
Available with Powder coating , please specify color.
Alphabet indicates the type of installation
A – Wall Mouted.
B – Duct Mounted
C – Flush Mounted.
Optional Construction Details
Frame : Thickness up to 3 mm
Frame Depth : Up to 150 mm for Aluminium
Up to 150 mm for Galvanized/SS
Blade : Thickness up to 1.5 mm
Frame and Blade Material : Stainless Steel (304/316L)
