5" Long Metal Tab Collar

Lukjan Round Takeoff – Precision Component for HVAC Duct Systems

The Lukjan Round Takeoff is engineered to provide a secure and efficient transition from trunk duct to branch lines, supporting proper airflow balance in HVAC systems. Constructed from galvanized steel with G-30 coating, it offers long-term corrosion resistance and consistent performance in both residential and commercial installations.

Each takeoff is machine-formed to maintain uniform sizing and fit, ensuring reliable integration with ductwork while minimizing installation adjustments in the field.

Professional Advantages

Designed to meet jobsite demands, the Lukjan Round Takeoff supports contractors by reducing labor time and providing dependable results. Benefits include:

• Heavy-Duty Material: Galvanized 30 ga steel with G-30 coating for strength and corrosion protection.
• Accurate Sizing: Machine-produced components deliver consistent dimensions for precise fit.
• Efficient Installation: Simplifies duct connection, reducing time spent on adjustments.
• Optimized Airflow: Helps maintain system efficiency and balanced temperature distribution.

Technical Specifications

• Diameter: 5 inches
• Length: 5-7/8 inches
• Material: Galvanized steel, G-30 coating
• Standards: Meets ASTM-A653 CS Type B

Installation Considerations

Installation should be performed by a qualified HVAC professional to ensure proper sealing, airflow, and compliance with code requirements. For best performance, joints should be secured with approved fasteners and sealed with mastic or UL-listed foil tape to maintain system integrity.

Summary

The Lukjan Round Takeoff provides contractors with a precise, durable, and code-compliant solution for connecting branch ducts. With its corrosion-resistant construction and consistent sizing, it delivers reliable performance in HVAC applications where airflow and efficiency matter.