This part of GB/T 9766 specifies terms and definitions, test set-up, installation, tightness test, opening pressure test, core cap and core adhesion force test, core cap location measurement and core sealing ring shedding test for the test of tyre valve cores (hereinafter referred to as "valve cores").
This part is applicable to the tests of valve cores used for tyre valves of passenger cars, motor trucks, industrial vehicles, construction machinery, tractors, agricultural and forestry machinery, motorcycles, electromobiles and cycles.
This part is inapplicable to the tests of valve cores for aircraft tires.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of GB 9766. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 9764 Tyre valves — Core chambers (GB 9764-1997, neq ISO 6762:1982; ISO 7442:1982)
GB 1796.6 Tyre Valves — Part 6: Cores (GB 1796.6-2008, ISO 9413:1998, Tyre valve — Dimensions and designation, NEQ)
GB/T 12839 Tyre valves — Terms and definitions (GB/T 12839-2005, ISO 3877-2:1997, Tyres, valves and tubes — List of equivalent terms — Part 2: Tyre valves, NEQ)
