ISO 7442:1982

Tyre valves — ISO core chamber No. 1

Specifies the interchangeability dimensions of an core chamber, and applies principally to core chambers of valves used on tyres for agricultural machines, earth-moving machines, road vehicles and civil aircraft. Figure 1 shows the details the core chamber. Figure 2 gives the tolerances for the core pin head position. An annex gives counterbore dimensions.