Back Draught Damper

The back draught damper also referred to as non-return damper is in conformity with European standard. It comes with frame made of 0.6mm thick high quality GI sheet. Its blades are made of aluminium sheet with thickness of 0.3mm, which allows for easy opening after a small supply of air volume. That is why this volume control damper is stainless. It is applied to break the supply and return air, after the air equipment is turned off. The specially designed damper for air volume control brings efficient smooth operation.