Multi Louver Damper

Louver dampers employ fast acting single or dual rows of rectangular blades, mounted within a rigid frame for installation in round and rectangular flanged ducting.
Louvers are particularly well suited for flow modulation, bypass, isolation and back flow prevention applications.
Actuation system can be by either electric, pneumatic , manual actuation is also possible by means of an irreversible gear box.
Louver and Multi louver dampers can be supplied with internal or external fiber insulation or, when required, with internal concrete (refractory) insulation.
A large variety of metals are used in design and fabrication, from simple carbon steel to stainless steel and low-alloy/high-alloy materials.