ASLI MFSD60-LL Class 1 Motorised Fire & Smoke Damper is designed to prevent the spread of fire and smoke through HVAC ductwork during emergency conditions. The damper is equipped with a motorised actuator that enables both automatic and remote operation for enhanced safety and control. Rated for 60 minutes fire resistance, the MFSD60-LL provides reliable performance in critical applications such as commercial, industrial, and institutional buildings. Its robust multi-blade construction ensures low leakage, making it compliant with Class 1 leakage requirements.
• Motorised operation for automatic and remote control.
• Class 1 leakage rating ensures superior sealing performance.
• Multi-blade design minimizes pressure drop under normal conditions.
• Fusible link or smoke detection system triggers automatic closure during fire.
• Suitable for both horizontal and vertical duct installations.
• Tested and certified to 60 minutes fire resistance.
Frame: Galvanized steel, welded construction
Blades: Galvanized steel or stainless steel, airfoil profile
Bearings: Bronze or stainless steel for durability
Seal: Silicone blade edge and jamb seals for airtight closure
Actuator: Electric motor actuator with spring return function
200 × 200 / 300 × 300 / 400 × 400 / 500 × 500 / 600 × 600 / 750 × 750 / 900 × 900 / 1000 × 1000
Larger and custom sizes available upon request.
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