Louvre dampers

  • High sealing capacity thanks to different sealing systems
  • Little pressure loss (thanks to big vane dimensions / no mounted fillets)
  • Sturdy design
  • Excellent controllability
  • Little maintenance required
  • Possible use as fast opening / fast closing safety damper (regulating time < 5 s)
  • Possible use as self-opening flue flap or rain flap

Double louvre dampers

  • With sealing air 100% lock as per UVV/TRD
  • High impermeability with flexible stainless steel seal without sealing air (short seal length)
  • Little pressure loss (no built-in bridges)
  • Excellent controllability
  • Great overall length
  • Possible use as fast opening / fast closing safety damper (< 5 s)