Products Description
The rectangular fire damper is a critical fire protection device commonly used in the ventilation systems of buildings and ships. Constructed with high-strength galvanized steel, it maintains structural integrity under extreme conditions. It operates based on a temperature-sensitive trigger mechanism, automatically or manually closing when high temperatures are detected to effectively contain the spread of fire.
Exceptional Heat Resistance
Designed to endure extreme heat, rectangular fire dampers can typically resist temperatures ranging from 1000°C to 1200°C for 90 to 180 minutes. This thermal durability prevents rapid fire spread through HVAC systems and supports building safety during emergencies.
Superior Sealing Performance
These dampers offer excellent sealing capability, achieving leakage rates as low as 3–5 cubic feet per minute per square foot at a pressure differential of 4–6 inches of water column. This tight seal minimizes the transmission of hot gases, smoke, and flames between building compartments.
Compact and Space-Efficient Design
With a rectangular profile tailored for modern duct layouts, these dampers fit seamlessly into corners and walls, optimizing space usage. Available in 4–8 inch thicknesses, they are ideal for installation in confined areas such as ceiling plenums or narrow ventilation shafts.
Versatility Across Applications
Rectangular fire dampers are suitable for a wide variety of structures, including residential complexes, commercial buildings, industrial plants, hospitals, and schools. In healthcare environments, they help protect sensitive areas like operating rooms and patient wings by limiting smoke and fire. In residential settings, they enhance HVAC system safety by adonal layer of protection.
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