FDMO – 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 200 × 200 mm to 1 200 × 1 200 mm
• CE certified acc. to EN 15650
• Tested in accordance with EN 1366-2
• Classified acc. to EN 13501-3+A1
• Fire resistence up to E 90 S
• External Casing leakage class ATC 3
  Internal leakage class 3 acc. to EN 1751

• Corrosion resistant acc. to EN 15650
• Cycling test in class C₁₀₀₀₀ acc. to EN 15650
• Damper actuating electrical
• Maximum air speed through opened damper of 12 m/s and pressure difference 1500 Pa