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The SOUTHWARK METAL SL24-30GA_7IN is a 30-gauge hot-dip galvanized steel round pipe section used in residential and light commercial HVAC duct systems. At 7 inches in diameter and 24 inches in length, this snap-lock pipe is a standard component for building out supply and return air trunk lines or branch runs. Hot-dip galvanized steel provides corrosion resistance suited to HVAC air distribution environments. The snap-lock seam design allows for fast, tool-minimal field assembly without the need for additional fasteners along the longitudinal seam.
This pipe section is intended for use in sheet metal duct fabrication and installation work on forced-air heating and cooling systems. It is commonly installed in attic, basement, crawlspace, and mechanical room applications where round duct runs are specified. It is appropriate for new construction and replacement duct work. HVAC sheet metal contractors and mechanical trades are the primary installers. This product meets ACCA and SMACNA applicable standards, making it suitable for systems built to those specifications.
Designed as an OEM-style round duct pipe section compatible with standard 7-inch diameter HVAC round duct fittings, elbows, and takeoffs built to ACCA and SMACNA specifications.
Installation should be performed by a licensed HVAC or sheet metal contractor in accordance with SMACNA duct construction standards and local mechanical codes. Power down and lock out the air handling system before connecting or modifying duct sections. Snap-lock seams should be fully engaged before securing joints with sheet metal screws and UL 181-rated duct tape or mastic sealant as required by code. Support spacing should follow SMACNA hanger and support guidelines for the installed diameter and gauge.
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