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Duct Pins
Duct Pins are used in HVAC insulation systems to securely fasten insulation materials to sheet metal ductwork. They are commonly welded or adhesively attached to the duct surface, allowing insulation to be impaled and secured with locking washers. Duct pins help maintain insulation integrity, improve thermal efficiency, reduce condensation, and ensure long-term performance in commercial and industrial HVAC installations.
TDC CLIPS
TDC Clips are used in conjunction with TDC/TDF flange systems to connect rectangular duct sections. They provide a secure mechanical joint between duct flanges, ensuring structural stability and airtight performance. TDC clips are widely used in commercial HVAC ductwork installations where fast assembly, strength, and reduced air leakage are required.
Duct Angle Corners
Duct Angle Corners are used with TDC/TDF flange systems to reinforce and align the corners of rectangular duct connections. They provide structural support at duct joints, ensuring proper alignment and rigidity during installation. Duct angle corners enhance the durability of duct assemblies and help maintain airtight seals in medium- and high-pressure HVAC systems.
Backdraft Damper
A Backdraft Damper is designed to allow airflow in one direction while preventing reverse airflow in HVAC and ventilation systems. It operates automatically using gravity or spring-loaded blades that close when airflow stops or reverses. Backdraft dampers are commonly installed in exhaust ducts, fans, and ventilation openings to prevent unwanted air infiltration, energy loss, and contamination.
Fire Damper
A Fire Damper is a life-safety device installed in HVAC ductwork where ducts penetrate fire-rated walls, floors, or partitions. In the event of a fire, the damper automatically closes (via fusible link or actuator) to prevent the spread of flames and smoke through the duct system. Fire dampers are essential for maintaining compartmentalization and ensuring compliance with building fire safety codes in commercial, industrial, and residential buildings.