RSK Mechanical Accessories

Backdraft damper for circular ducts

  • Easy installation in any position

  • Spring-loaded blades 

  • Galvanised steel casing

  • Stainless steel torsion springs

  • Wide range of sizes from 125-315


Efficient operation

The RSK backdraft damper features spring-loaded blades to prevent the unwanted flow of air when fans are off. Springs adjasted to install damper in any position without compromising efficiency.

Robust construction

The damper frame is manufactured using galvanised sheet steel, and the two damper blades are formed from aluminium H14 and located on brass central rod. 

General: The RSK backdraft damper has been designed to ensure that air can only flow one way. This can help the homeowner keep the intended pressure scheme intact for the residential setting.

This product prevents non-conditioned outdoor air from entering the living space protecting homes and business spaces from backdrafts, outdoor pollutants and the reentry of unwanted air.

Design: The damper frame is manufactured using galvanised sheet steel G90, and the two spring-loaded damper blades are made of aluminium H14. Damper blades are located on brass central rods, and controlled by stainless steel torsion springs.

Installation: The RSK backdraft dampers are designed for easy installation in circular ductwork. RSK can be installed in any position - vertically or horizontally, depending on airflow direction.