PROLAP FLI-VE 90 – fire protection damper


Fire protection damper with mechanical closure for ventilation pipes – EI90 walls from 40 mm thickness and ceilings from 150 mm thickness.

Available also with electric closure PROLAP-E FLI-VE. Please contact us for more details.

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Product Description

Fire protection damper Prolap consists of a housing and damper blades made ​​of galvanized steel with white powder coating. Tested in EI90-shaft walls with a wall thickness from 40 mm as well as in ceilings from 150 mm thickness. The PROLAP was developed for retrofitting into finished air lines, as a retrofit for old and new buildings.

PropertiesSeparating componentOther applications
  • Low pressure loss;
  • Easy installation and retrofitting of existing ventilation ducts.
  • Shaft walls (2×20 mm, 3×15 mm, 2x25mm);
  • Solid walls (≥ 80 mm);
  • Solid ceilings (≥ 150 mm)

Tested for solid ceilings from 150 mm thickness for vertical air lines from plastic up to DN160 

Additional Information

Nominal size

100 mm, 125 mm, 160 mm, 80 mm