Back Draught Damper
Ventilation damper the type back draught damper is a non-return damper for extract air. Made of galvanized sheet, for installation into round ducts, to shut the duct automatically when extraction of air stops. Prevent the outside air flow back.
● Nominal sizes: 100, 125, 150, 200, 250, 315.
● For non-return air control.
● Fame made of galvanized sheet 0.8mm, inner shutter made of aluminum 0.3mm.
● For installation into round ducts.
● Specially designed springs allow accurate control of the shutter.
We are here to help you! If you close the chatbox, you will automatically receive a responsefrom us via email. Please be sure to leave yourcontact details so that we can better assist