The American National Standard (ANSI/SMACNA 005-2013) expands the scope of the 1999 version, updating the duct materials to include aluminized steel, temperature correction factors for round industrial and minimum decimal thickness for aluminum duct selection tables.
This publication offers a standardized, engineered basis for design and construction of industrial ducts of Classes 1 to 5 air. Includes a spiral duct chapter for Classes 1 and 2 air that covers design pressures ranging from 30 in. wg negative to 50 in. wg positive, plus carbon and galvanized steel tables.
Expanded tables for stainless steel and aluminum, expanded tables for duct sizes up to 96 in. diameter, introduction of a new Duct Class 5 for systems handling corrosives and spiral lockseam pipe.