Louver Dampers can be manufactured circular or rectangular, and in a variety of configurations. Generally, multi-blade louver dampers are used as control dampers – or as isolation dampers in rectangular or square ducts of a large cross sectional area, where use of a single blade would be impractical. Due to…

These can be manufactured circular or rectangular, in a variety of configurations to suit a multitude of applications. Although mainly used for isolation, they can be used for control. Sealing arrangements range from “swing through” for control only to stainless steel flexible blade seals for isolation efficiencies greater than 99%…