14" Adhesive Takeoff with Damper

The Lukjan Metal TA40D14 Airtite Collar with Damper is a precision-fabricated sheet metal component engineered for professional HVAC system installations requiring secure duct-to-plenum transitions with integrated airflow control. Designed for mechanical duct systems, this collar incorporates an adjustable damper assembly and airtight construction to ensure efficient air distribution, system balance, and code-compliant performance in commercial and industrial air handling applications.

Details

• Model Number: TA40D14
• Manufacturer: Lukjan Metal Products
• Product Type: Airtite Collar with Damper
• Series: MVC (Metal-Fab Compatible)
• Part Number: 2011009
• Nominal Diameter: 14 inch
• Inside Diameter (ID): 6.56 inch
• Outside Diameter (OD): 14 inch
• Material: Galvanized Steel
• Connection Type: Crimped end for insertion into duct or vent connection
• Damper Type: Integral manual butterfly damper for adjustable airflow regulation
• Application: Air distribution and ventilation systems utilizing Type-B double-wall gas venting or equivalent duct systems
• Temperature Rating: Suitable for standard HVAC operating temperatures and Type-B vent applications
• Compliance: Manufactured in accordance with SMACNA and UL 441 Type-B venting requirements

Professional Specifications

The Lukjan TA40D14 Airtite Collar with Damper is constructed from corrosion-resistant galvanized steel and fabricated to tight tolerances for proper fitment with standard duct and vent system interfaces. The integrated butterfly-style damper provides precise manual airflow control and is designed to maintain low leakage rates under differential pressure. The collar’s airtight construction minimizes system loss and enhances energy efficiency while maintaining compliance with commercial mechanical ventilation codes. The 14-inch outer diameter configuration allows for compatibility with a wide range of plenum and take-off assemblies, supporting installation flexibility in both new construction and retrofit ductwork applications.

Summary

The Lukjan Metal TA40D14 Airtite Collar with Damper offers a professional-grade, galvanized steel solution for HVAC airflow management. Its integrated damper, precision-formed design, and airtight construction ensure dependable performance, code compliance, and long-term durability in duct and vent system installations.