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The SOUTHWARK METAL SP10-26GA_10IN is a 10-inch diameter spiral sheet metal pipe fabricated from hot dip galvanized steel at 26 gauge material thickness. Each section runs 10 feet in length, making it a standard round duct pipe for supply and return air distribution in forced-air HVAC systems. The spiral lock-seam construction provides consistent roundness and rigidity along the full length of the pipe. This pipe is manufactured to meet ACCA and SMACNA standards, which are the baseline specifications for sheet metal ductwork in commercial and residential applications. HVAC sheet metal workers and mechanical contractors are the primary installers of this product.
This pipe is suited for residential and light commercial forced-air duct systems where round spiral ductwork is specified. It serves as trunk or branch duct in supply and return air configurations, and is commonly used in attic, crawlspace, basement, and mechanical room installations. The 10-inch diameter is a common size in higher-capacity residential systems and light commercial distribution runs. The galvanized finish provides corrosion resistance appropriate for conditioned-air applications in both new construction and retrofit work.
Designed for use with standard 10-inch round spiral duct fittings and accessories in forced-air HVAC systems built to ACCA and SMACNA specifications.
Installation should be performed by a licensed HVAC technician or qualified sheet metal worker in accordance with SMACNA duct construction standards and local mechanical codes. Power down the air handling unit and lock out the system before making connections to existing ductwork. Sections are typically joined with drive cleats, slip joints, or sheet metal screws and sealed with UL 181-listed duct sealant or mastic per code requirements. Do not use this pipe in applications exceeding the pressure class for which 26 gauge material is rated under SMACNA standards.
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