Southwark Metal 62FG_8IN Ductboard Top Takeoff 8 in

Product Description

The SOUTHWARK METAL 62FG_8IN is a fiberglass ductboard top takeoff fitting designed for square-to-round transitions in low-pressure residential and light commercial HVAC duct systems. Constructed from hot dip galvanized steel, this non-adjustable fitting measures 8 inches in diameter and features a 1-inch tab for secure attachment to ductboard panels. The raised back design seats flush against the ductboard surface, supporting a clean, airtight connection at the trunk line. HVAC sheet metal installers and duct fabricators use this fitting during new construction and system retrofit work where fiberglass ductboard trunk lines feed round branch runs.

This takeoff is suited for top-mount installations on fiberglass ductboard trunk ducts in forced-air heating and cooling systems. The square-to-round geometry transitions the flat ductboard surface to a round branch collar, allowing connection to flexible or rigid round duct. The non-adjustable design ensures a consistent, repeatable fit during production duct installation. It is commonly used in residential new construction and light commercial projects where ductboard trunk systems are the specified distribution method.

Key Features

• 8-inch diameter round outlet for connection to branch duct runs
• Hot dip galvanized steel construction for corrosion resistance in conditioned air applications
• 1-inch tab provides a positive attachment point to fiberglass ductboard panels
• Raised back design seats flush against the ductboard surface for an airtight fit
• Non-adjustable, square-to-round profile for consistent, repeatable installation
• Complies with ACCA and SMACNA applicable standards

Compatibility

Designed as an OEM-style replacement and new-installation fitting for fiberglass ductboard trunk duct systems requiring a top-mount, square-to-round branch takeoff at 8 inches diameter.

Installation Notes

Installation is performed by licensed HVAC technicians or qualified sheet metal installers. The air handling system must be fully powered down and the blower de-energized before cutting into an existing ductboard trunk. The takeoff collar is inserted through the ductboard cutout with the tab and raised back bearing against the panel surface; ductboard mastic and approved foil tape should be applied at all seams per SMACNA and ACCA duct sealing guidelines. Do not force or over-compress the ductboard panel when seating the fitting, as deformation can compromise the seal.

Technical Specifications

• Diameter: 8 inches
• Material: Hot Dip Galvanized Steel
• Type: Top, Non-Adjustable, Square to Round
• Tab Size: 1 inch
• Back Style: Raised Back
• Applicable Standards: ACCA, SMACNA

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: 62FG_8IN