12" x 7" Duct Board Tab Collar

Lukjan Round Ductboard Takeoff – Precision Fit for Efficient HVAC Airflow

The Lukjan Round Ductboard Takeoff is manufactured for consistent performance in ductboard plenum applications. Designed to provide a secure connection between ductboard and round branch ducts, it helps maintain balanced airflow and reliable system operation in both residential and commercial HVAC installations.

Why Contractors Choose Lukjan

Lukjan is recognized in the HVAC industry for its durable, machine-produced components that meet strict quality standards. This round ductboard takeoff is fabricated from galvanized steel and engineered for accuracy, reducing time on site while ensuring an airtight connection that supports overall system efficiency.

Key Advantages

• Efficient Airflow: Engineered to minimize resistance and support even distribution of conditioned air.
• Durable Construction: Made from 28 gauge galvanized steel with G-30 coating for corrosion resistance and long service life.
• Consistent Dimensions: Machine-produced and die-punched parts ensure accurate sizing for straightforward installation.
• Versatility: Suitable for multiple ductboard applications across residential and light commercial systems.
• Reliable Seal: Designed for proper integration and reduced leakage when installed correctly.

Technical Specifications

• Diameter: 12 inches
• Length: 7 inches
• Material: 28 ga galvanized steel, G-30 lock forming quality
• Standards: Conforms to ASTM-A653 CS Type B

Installation Notes

Installation should be performed by qualified HVAC professionals to ensure compliance with system design and local codes. Proper cutting and sealing of the ductboard is required for best performance. Following SMACNA installation guidelines will help maintain system efficiency and airflow balance.

Professional Application

The Lukjan Round Ductboard Takeoff is a contractor-grade component built for precision and dependability. Its rugged build, consistent sizing, and corrosion resistance make it a reliable option for new installations and retrofit projects where performance and durability are critical.