Back Draft Damper
Back Draft Damper
Application
Back Draft Damper are designed in only one direction air flow and to be closed automaticaly by gravity when fan is not operated. By utiling this type of construction features that were at one time "Optional Extras" now become standard features without adding to teh cost of the air control.
Technical Information
These Back Draft Damper consist of simple face Horizontal blades, the blades will automatically open when there is pressure from the air flow and will Automatically close by gravity if there is no air flow.
Construction
For download the pdf, here.