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Motorized Fire and Smoke Damper
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Manufactured from 16 gauge galvanized steel blade and frame. Heavy duty interlocking blades and fully enclosed blade linkage mechanism. Contrasted with stainless steel lateral blade seals and 59If lubricating sintered bronze bushed. Details : All corners of the frame are fully welded (and painted to prevent rust) to ensure sturdy construction for a rattle free operation. Designed for parallel blade operation. AMFSD series combination Fire/Smoke dampers are UL 555/555S classified, manufactured under Airmaster’s strict quality control procedures. AMFSD Dampers are available with Class II leakage rating at 2000fpm (10.2m/s) / 4”w.g (1000pa). Suitable for most of the commercial smoke management applications in both static and dynamic systems. All actuators are externally mounted with 230VAC as standard. Actuators are supplied without auxiliary switch as standard. Actuator position will be based on Clockwise (CW) closure direction as standard. TRD’s have an inbuilt RESET switch to reopen the damper. All AMFSD models are factory fitted with 400mm wide & 1.2mm thick steel sleeve as standard. All dampers and TRD’s are factory tested to ensure smooth operation before dispatch. Actuators have to be configured with control panel or BMS system for smoke control applications before commissioning. Can be used in walls/partitions of less than 3 hours fire resistance rating as per NFPA 90-A in accordance with ANSI/UL555 standards. Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning (hvac) ducts to prevent the spread of fire inside the duct work through fire-resistance rated walls and floors.
