FDMA – The Damper in the HVAC equipment duct that prevents the spread of fire and combustion products from one fire segment to another by shutting off the airflow at the fixture points.
- Square dampers from 180×180 mm to 1600×1 000 mm
- CE certified acc. to EN15650
- Tested in accordance with EN 1366-2
- Classified acc. to EN 13501-3+A1
- External Casig leakage class C, internal leakage class 2 acc. to EN 1751
- Fire resistance up to EIS 120
- Corrosion resistant acc. to EN 15650
- Cycling test in class C 10000 acc. to EN 15650
- Damper actuating mechanical, or electrical
- Maximum air speed through opened damper of 12 m/s and pressure difference 1200 Pa
- Can be used in explosion-hazard environments
