FSD-35

The FSD35 is a combination fire and smoke damper designed with triple V-groove blades and controlled closure technology that provides point-of-origin fire containment and operational flexibility in static and dynamic smoke management systems.
The FSD35 is designed to be installed vertically in walls or horizontally in floors in HVAC systems with velocities to 2,000 fpm and pressures to 4″ w.g. (consult Ruskin for proper application if velocity and pressure exceed those listed above).

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