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Double Louver | Louver Dampers | Louver


Louver Dampers

Our Effox-Flextor brand Louver Dampers are custom-manufactured to fit your application specifications, ensuring maximum performance with a complete line of dampers. Our Louver Dampers are designed for when precise flow control is required including applications such as coal-fired power plants, and heavy dust industrial applications.

Our Louver Dampers are available in a wide range of styles including simple louvers, double louver, opposed blades, double louver dampers with or without seal air, and tandem louvers with pressurized blades, each constructed for optimal performance. Applying decades of experience, we are able to deliver custom designed solutions configured for your specific application requirements, providing efficient operations for a long service life.



  • Low Total Cost of Ownership
  • Maintenance free components
  • Custom designs for specific application requirements
  • Premium quality materials for reliable performance and maximum life span



  • Designs include – simple louver, double louver, pressurized louver
  • Drive options range from simple shaft mounted pneumatic actuation, to heavy-duty electric and hydraulic actuation with fail safe configurations and back up
  • Blade configurations include simple, structural, thermally compensating, and profiled blades
  • Blades can be insulated where heat retention is necessary
  • Full range of proven seat configurations
Double Louver | Louver Dampers | Louver