Backdraft Shutter Metal 315mm
A large 315mm diameter all metal draft stopper designed to to push open as airflow travels alog the ducting.
A Backdraft Shutter is used with inline fans and duct, to stop air flowing in the “back” direction. It has “butterfly” wings and a very weak spring to minimise airflow reduction. The shutters are opened with the pressure generated by air stream and are closed by the spring.
The shutter housing is made of galvanized steel and the shutters are made of aluminium sheet.
Made of metal and various sizes available.
|Accessory Type||Backdraft Shutters|
|Size||Suits 315mm ducting|