Road vehicles; Pneumatic braking systems; Pipes, tapped holes and male fittings

This international specification establishes uniform technical requirements for components used in compressed air braking systems of road vehicles. It specifically defines the criteria for pipes, threaded holes, and externally threaded tube fittings that are integral to the pneumatic circuitry. The document outlines precise dimensional tolerances, material specifications, and performance characteristics necessary to ensure compatibility and safety across various vehicle manufacturers and regions. By providing a common framework, it facilitates the interchangeability of parts and supports the reliable functioning of braking infrastructure in the automotive industry. The scope covers the design parameters and testing methodologies applicable to these critical connection elements, ensuring they can withstand operational pressures and environmental conditions. Adherence to these guidelines helps maintain consistent quality and reliability in the supply chain for braking system components. This framework serves as a reference for designers, engineers, and quality control professionals involved in the development and verification of pneumatic braking assemblies.