1 Scope
This part of GB/T 1796 specifies the terms and definitions, model designation, structural types, types, structural dimensions and materials of components, appearance, rubber base edge thickness, maximum pressure of use, sealing performance, adhesion strength and adhesion rate between rubber and metal stem, test methods, inspection rules, marking, packaging and storage of rubber base valves (hereinafter referred to as "valves").
This part is applicable to valves for tubes of industrial vehicles, agricultural vehicles, engineering machinery, motorcycles, electric vehicles and cycles.
This part is not applicable to air valves for aircraft tyres.
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 1796.6 Tyre valves - Part 6: Cores
GB 1796.7 Tyre valves - Part 7: Components
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB 9764 Tyre valve core chambers
GB 9765 Tyre valve threads
GB/T 9766.2 Test method for tyre valves - Part 2:Rubber base valves test methods
GB/T 9766.6 Test method for tyre valve - Part 6: Test method for core
GB/T 12839 Terms and definitions of tyre valves
GB/T 21285 Tubes valves - Identification system for valves and their components
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 12839 apply.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Model designation
5 Structural types
6 Types, structural dimensions and materials of components
7 Appearance
8 Rubber base edge thickness
9 Maximum pressure of use
10 Sealing performance
11 Adhesion strength and adhesion rate between rubber and metal stem
12 Test methods
13 Inspection rules
14 Marking, packaging and storage
Annex A (Informative) Comparison of models between this part and foreign standard
