A Cleaner, More Cost-Effective, Energy Efficient Alternative to Metal Ductwork. Perfect for Restaurants, Universities, Gyms, Warehouses, Converted Warehouses Much More. How To Buy DuctSox Products. Rd Dubuque, IA 520Phone:. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system.
This fourth edition includes a variety of updates that reflect industry innovations that impact the construction, installation and repair of HVAC ductwork – both metal and flexible ducts. Ward Angles (E,H and J) permitted a more liberal interpretation of the SMACNA Tables. These tests are shown as follows: SMACNA Table Variation permitted per certified test. The standard is applicable for construction using uncoated steel, galvanized and stainless steels and a limited range of aluminum ducts. This standard has been adopted in the ICC International Mechanical Code.
This Third Edition of the SMACNA commercial metal and flexible duct construction standards is another. A duct system is a network of round or rectangular tubes—generally constructed of sheet metal, fiberglass boar or a flexible plasticand- wire composite—located within the walls, floors, and ceilings. All round spiral duct and fittings shall be manufactured from G-galvanized steel, conforming to ASTM and SMACNA standards.
Other radii and vaned elbows are available as needed. Elbows through 12” shall be die forme with stitch welded joints. Standard elbows will have 1. Learn about the benefits of air duct cleaning, ways to avoid scammers and fraudulent contractors, and more.
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