1 Scope
This Part of GB 1796 specifies the terms and definitions, designation, structural type, structure, dimension and materials for parts, appearance, principal rubber hardness, assembly performance, rubber-to-metal adhesion, sealability, ozone resistance, burst, flexing resistance, test method, inspection rules, marking, packaging and storage for snap-in valves (hereinafter referred to as "valves").
This Part is applicable to the tubeless tyre valves which are 11.3 mm in valve hole diameter and 475 kPa in maximum service pressure, or 15.7 mm in valve hole diameter and 450 kPa in maximum service pressure.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this Part of GB/T 1796. For dated reference, subsequent amendments to (excluding the corrections), 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 standards indicated below. For any undated references, the latest edition of the document referred to applies.
GB 1796.6 Tire Valves - Part 6: Cores (GB 1796.6-2008, ISO 9413: 1998, NEQ)
GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes-Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection (ISO 2859-1: 1999, IDT)
GB 9764 Tire Valve - Core Chamber (GB 9764-1997. neq ISO 6762: 1982, ISO 7442: 1982)
GB 9765 Tire Valve Thread (GB 9765-1997, neq ISO 4570-1: 1977, ISO 4570-2: 1979, ISO 4570-3: 1980)
GB/T 9766.3 Test Method for Tyre Valve - Part 3: Snap-in Valves - Test Methods (GB/T 9766.3-2008, ISO 14960: 2004, MOD)
GB/T 12839 Tyre Valves-Terms and Definitions (GB/T 12839-2005, ISO 3877-2: 1997, NEQ)
GB/T 21285 Tubes Valves-Identification System for Valves and Their Components (GB/T 21285-2007, ISO 10475: 1992, MOD)
