Back Draft DampersRSK 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 ApplicationsToilet exhaust
FeaturesSpring loaded butterfly flaps suits standard inline fans
Fast ClampsMounting clips which facilitate the installation and removal of fans for service and cleaning. Made from galvanised sheet metal and fitted with an 8mm neoprene lining which suppresses vibration and ensures a tight fit. The mounting clips are clamped together by two screws which allows for connecting ducts with a marginal defference in diameter.
- Circular Ducts
- Inline Fans
FeaturesEasy to fit
Non Return DampersNRD's are shutter type dampers designed to provide an effective back draft seal in ducted systems. These dampers can be installed either vertically or horizontally. Flaps are fabricated from extruded PVC. Frames are fabricated from anodised aluminium with polymers corner joints.
Common ApplicationsWhere non return dampers are required
FeaturesVariable sizes to suit most applications
Data Sheet /FlierDownload PDF
Listed in Accessories (Kitchen)