GB/T 9766 consists of seven parts under the general title of "Test Method for Tyre Valves":
— Part 1: Test Method for Clamp-in Valves;
— Part 2: Rubber Base Valves Test Methods;
— Part 3: Test Method for Snap-in Valves;
— Part 4: Test Method for Clamp-in Tubeless Valves;
— Part 5: Test Methods for Tyre Valves for Large Core Chamber;
— Part 6: Test Method for Core;
— Part 7: Test Methods for Components.
This part is Part 3 of GB/T 9766.
1 Scope
This part of GB/T 9766 specifies terms and definitions, test equipment, instruments and meters, test set-up and test procedures of snap-in valves (hereinafter referred to as "valves").
This part is applicable to the test of valves for tubeless tyres of cycles, motorcycles, cars, light trucks and motor trucks.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 1796.3 Tyre Valves — Part 3: Snap-in Valves (GB 1796.3-2008, ISO 9413:1998, ISO 14960:2004, NEQ)
GB 1796.6 Tyre Valves — Part 6: Cores (GB 1796.6-2008, ISO 9413:1998, NEQ)
GB/T 12839 Terms and Definitions of Tyre Valves (GB/T 12839-2012, ISO 3877-2:1997, NEQ)
3 Terms and Definitions
For the purpose of this document, the terms and definitions given in GB/T 12839 apply.
4 Test Equipment, Instruments and Meters
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Test Equipment, Instruments and Meters
5 Test Set-up
6 Test Procedures
Appendix A (Normative) Structural Changes of This Standard compared with ISO 14960:2004
Appendix B (Normative) Technical Differences between This Part and ISO 14960:2004 and Their Reasons