Gravity and Pressure Relief Back Draft Draft Dampers

They open when there is a differential pressure and closes when differential pressure disappear.

ADA-2020-3 Gravity and Backdraft dampers are designed to prevent the spread of smoke within dynamic HVAC system during life safety situations.

Standard Constructions and Materials:

• 1,2 mm  galvanized steel self-flanged frame
• Single-layer aerodynamic blades with 0,9 mm galvanized steel                          

Options:

• Cover Grill
• Position Switch
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