Technical documentation for products. Simplified representation of piping. Part 3: Fittings for ventilation and drainage systems

This technical standard establishes specific guidelines for the simplified graphical representation of components used in ventilation and drainage systems within product technical documentation. It defines consistent symbol sets and drawing conventions to ensure clarity and uniformity when depicting pipes, fittings, and connections across various engineering and manufacturing contexts. The scope covers the depiction of essential elements required for the design, installation, and maintenance of such infrastructure systems. By adopting these conventions, technical documents can effectively communicate structural details without the need for overly complex schematics, thereby reducing ambiguity among engineers and technicians. The content focuses solely on the standardized visual language applicable to air distribution and fluid discharge networks. This approach facilitates smoother collaboration between design teams and construction crews by providing a shared reference framework for interpreting system layouts. Adherence to these principles supports the accurate translation of conceptual designs into actionable technical specifications. The document serves as a reference for creating consistent documentation regardless of the specific application or scale of the project involved.