1 Scope
This Part of GB/T 9766 specifies terms and definitions, test equipment, instruments and meters, test fixture and test procedure of snap-in valves (hereinafter referred to as valve).
This Part is applicable to the tubeless tyre valves which are 11.3 mm and 15.7mm in valve hole diameter, and 450 kPa in maximum service pressure.
2 Normative References
The following normative document contains provisions which, through reference in this Part of GB/T 9766, constitutes provisions of this standard. For dated references, subsequent amendments (excluding amending errors in the text) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies.
GB/T 12839 Terms and Definitions of Tyre Valves (GB/T 12839-2005, ISO 3877-2:1997, Tyres, Valves and Tubes - List of Equivalent Terms-Part 2: Tyre valves, NEQ)
Foreword I
1 Scope
2 Normative References
3 Term and Definitions
4 Test Apparatus
5 Test Set-up
6 Test Procedure
Appendix A (Informative) Comparison between this Part and ISO 14960:2004 in Terms of Clause Number
Appendix B (Informative) Technical Differences between this Part and ISO 14960:2004 and Their Reasons