This standard specifies the terms and definitions of tire valve extension tubes (hereinafter referred to as extension tubes), model markings, structural types and dimensions, types of parts, structural dimensions and materials, appearance, sealing, connection, blasting, test methods, Inspection rules, labelling, packaging and storage. This standard applies to extension tubes for tire valve inflation on trucks (including passenger cars, trailers and trolleybuses), industrial vehicles, construction machinery, tractors, agricultural and forestry machinery, etc.
GB/T 12839 Terms and definitions of tyre valves*, 2020-03-06 Update
GB/T 21285 Tubes valves.Identification system for valves and their components
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
HG/T 4194 Test methods for tire valve extension tubes*, 2021-03-05 Update