Fire valve - continuously adjustable Type BTZ-2

  • Infinitely adjustable fire resistant cone valve for supply and exhaust air
  • Fully optimised air flow pattern
  • Available in diameters DN100, DN125, DN160 and DN200
  • Classification in accordance with EN 13501-3 up to EI 120 S depending on the installation application
  • Fire tested in accordance with EN 1366-2
  • CE certification in accordance with EN 15650


DN100, DN125, DN160 and DN200


  • Thermal release via fusible link


Installation Situations

Installation in solid walls or concrete ceilings
Installation under solid concrete or porous concrete ceilings
Installation in lightweight partition walls, dry installation


Trade Fairs & Seminars
with Strulik

  • 03.09. - 16.03.2021

    IWA OutdoorClassics

    High performance in target sports, nature activities and protecting people

    Nuremberg, Germany

  • 30.09. - 01.10.2020


    International Trade Fair with Congress for Preventive Fire Protection

    Nuremberg, Germany

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