FDMR – 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.
Characteristics
- Dampers from ø 100 to ø 800 mm
- CE certified acc. to EN 15650
- Tested in accordance with EN 1366-2
- Classified acc. to EN 13501-3+A1
- Fire resistance up to EI 120 S - 500 Pa
- External Casing leakage class C
Internal leakage class 3 acc. to EN 1751
- Corrosion resistant acc. to EN 15650
- Cycling test in class C 10 000 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