Description
RSK Back draft damper for circular ducts, manufactured from galvanised sheets steel. The two blades are spring-loaded, which means that the damper can also be mounted vertically. RSK’s are butterfly type dampers designed to provide an effective back draft seal in ducted systems. These dampers can be installed either vertically or horizontally. The cases are fabricated from formed galvanised sheet. Butterfly elements are made from lightweight aluminium sheet held in the closed position with low resistance steel springs.
Common Applications
Toilet exhaust
Features
Spring loaded butterfly flaps suits standard inline fans
