Twin-Seal Louver Damper


  • 100 % isolation with seal air



  • Twin-seal louver dampers have been developed for the demanding conditions in gas turbine plants as a superior alternative to double louver dampers
  • Process industries, gas turbines, coal fired and environmental applications



  • Minimal flange to flange dimensions
  • Reduced weight
  • Low pressure drop
  • Low seal air requirements
  • Insulated blade design available



Size: up to 30 m²
Temperature: up to 600 °C
Pressure: up to 150 mbar
Materials: carbon steels, stainless steels
Actuation: manual, electric, pneumatic or hydraulic
Insulation: internal, external