Galvanized Iron UL Motorised Smoke Damper

- Available with Class II leakage, rated at 2000fpm (10.2rnis) / 4w.g(1000pa). Suitable for most of the commercial smoke management applications in both static and dynamic systems.
- Designed for parallel blade operation. Blades are linked together externally (out of airstream).
* AMSD series is UL 555S classified and manufactured under air master's strict quality control procedures.
* All actuators are externally mounted with 230VAC as standard and are supplied without inbuilt auxiliary switch, the actuator can be controlled from command station
* Factory fitted with 400mm wide 1.2mm thick GI sheet and the entire assembly can comfortably seat on 8 thick wall.
* All dampers are factory tested to ensure smooth operation before dispatch.
* Actuators have to be configured with smoke detector, control panel or BMS system for smoke control applications before commissioning
* Can be used In Masonry and Gypsum walls partitions of less than 3 hours fire resistance rating as per NFPA 90- A in accordance with ANSILJL555 standards.
* Maximum Approved Size :
* Multiple section: 280" x 35" (Actuators internally mounted / vertical installation only)
* Single section: 35x35 (vertical installation only).
* Frame : High quality galvanized GI sheet of thickness 16 gauge.
* Jamb Seal: Stainless steel.
* Blades: Single skin roll formed from high quality GI sheet of thickness 16 gauge.
* Gasket : UL listed gasket.
* Actuator: Honeywell-UL listed