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.
- 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