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The SOUTHWARK METAL SL24-30GA_6IN is a 30-gauge hot-dip galvanized steel round pipe section designed for low-pressure air distribution in forced-air HVAC systems. Measuring 6 inches in diameter and 24 inches in length, this snap-lock pipe connects quickly without additional fasteners, making it a standard choice for straight duct runs in residential and light commercial installations. The hot-dip galvanized finish provides corrosion resistance appropriate for interior duct applications. Fabricated to ACCA and SMACNA standards, this section meets the dimensional and material tolerances required for properly engineered duct systems.
This pipe section is used in supply and return air duct systems where round duct runs are specified. It is appropriate for residential forced-air heating and cooling systems and light commercial applications where round galvanized duct is called out on the plans. The snap-lock seam allows field assembly without tools, and the 24-inch section length is a common increment for trunk-to-register branch runs and short straight sections between fittings. HVAC sheet metal mechanics and duct installers are the primary trades working with this product.
Designed as an OEM-style replacement and standard component for residential and light commercial round galvanized duct systems where 6-inch diameter, 30-gauge snap-lock pipe sections are specified per ACCA and SMACNA guidelines.
Installation should be performed by a qualified HVAC technician or licensed sheet metal mechanic in accordance with SMACNA Duct Construction Standards and local mechanical codes. Shut down and de-energize the air handling system before connecting or modifying duct sections. Joints should be secured with sheet metal screws and sealed with listed duct sealant or UL 181-rated tape per local code requirements. Avoid over-driving screws through the snap-lock seam, as this can distort the pipe and reduce joint integrity.
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