HB 8129-2002 in English

This standard establishes specific dimensional requirements for a particular type of combined duct system. It outlines the specifications for the second dimension series of expandable joint ducts, ensuring consistency in design and manufacturing processes. The document provides detailed measurements and tolerances that are essential for the proper assembly and functionality of the duct system. It also includes guidelines for material selection and application conditions. The standard is structured to facilitate compliance and quality control in the production of such components. The information provided is intended for use by manufacturers, designers, and quality assurance personnel involved in the production and testing of these duct systems.