ISO 9413 is an international standard on tyre valves. ISO 9413 defines the essential dimensions and the designation of tube valves and tubeless valves.
All the dimensions given in ISO 9413 are at their nominal value except in cases where the tolerances are indicated. Annexe B gives the correspondence between ISO designations and the designations established by:
Note: The drawings for valves are not all at the same scale.
ISO 9413 on tyre values is useful for:
ISO 9413 specifies methods, dimensions, and designation of different types of tyre valves, which benefits the end-user by assisting them in tyre manufacturing.
In terms of quality and safety, ISO 9413 benefits manufacturers and end-users by increasing the level of safety in automobiles.
You can manufacture superior quality tyre valves using ISO 9413 guidelines, and provide tyres that are durable and provide good performance even in the roughest conditions. ISO 9413 also provides best practice guidance on ensuring strength and quality improvements to tyres.
ISO 9413