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GB/T 1796.2-2024: Tyre valves - Part 2: Rubber base valves
Status: Valid GB/T 1796.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1796.2-2024 | English | 999 |
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Tyre valves - Part 2: Rubber base valves
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GB/T 1796.2-2024
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| GB/T 1796.2-2016 | English | 859 |
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Tyre valves -- Part 2: Rubber base valves
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GB/T 1796.2-2016
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| GB 1796.2-2008 | English | RFQ |
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Tyre valves -- Part 2: Rubber base valves
| Obsolete |
GB 1796.2-2008
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PDF similar to GB/T 1796.2-2024
Basic data | Standard ID | GB/T 1796.2-2024 (GB/T1796.2-2024) | | Description (Translated English) | Tyre valves - Part 2: Rubber base valves | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G41 | | Classification of International Standard | 83.160.01 | | Word Count Estimation | 50,563 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 1796.2-2016 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 1796.2-2024: Tyre valves - Part 2: Rubber base valves---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 83.160.01
CCSG41
National Standard of the People's Republic of China
Replaces GB/T 1796.2-2016
Tire valve
Part 2.Rubber seat valve
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Model mark 1
5 Structural type 1
6 Type, structure, size and material of parts 15
7 Appearance 34
8.Thickness of the edge of the rubber seat. 34
9 Maximum operating pressure 34
10 Sealing 34
11 Adhesion strength and adhesion rate of rubber and metal body 34
12 Test methods 35
13 Inspection Rules 35
14 Labeling, packaging and storage 36
Appendix A (Informative) Comparison of models in this document with foreign models 38
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is Part 2 of GB/T 1796 Tire Valves. GB/T 1796 has been published in the following parts.
--- Part 1.Compression-type inner tube valves;
--- Part 2.Rubber seat valve;
--- Part 3.Snap-on valves;
--- Part 4.Compression-type tubeless valves;
--- Part 5.Large core valves;
--- Part 6.Valve core;
--- Part 7.Parts.
This document replaces GB/T 1796.2-2016 "Tire valves - Part 2.Rubber seat valves" and is consistent with GB/T 1796.2-2016.
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The wording of “scope” has been changed (see Chapter 1, Chapter 1 of the.2016 edition);
b) Added AA05C and AA06C valve models and sizes (see Figure 1 and Figure 25);
c) Added AA21C~AA25C valve models and sizes (see Figure 4 and Figure 28);
d) The length dimension of “thread 8V1” has been changed (see Figure 11, Figure 35, Figure 10, Figure 33 of the.2016 edition);
e) Added the model and size of CF06 valve and "No. 4 core chamber for DF01" (see Figure 16 and Figure 40);
f) The height dimensions of the glue seat and the glue stopper as well as the marking positions of the dimension lines have been changed (see Figure 25, Figure 24 of the.2016 edition);
g) The height dimension of the glue stopper and the marking position of the dimension line have been changed (see Figure 26, Figure 25 of the.2016 edition);
h) The height dimension of the glue stopper has been changed (see Figure 27, Figure 26 of the.2016 edition);
i) The angle tolerance provision of “85°±1.5°” has been deleted (see Figure 32 of the.2016 edition);
j) The diameter of the metal chassis has been deleted (see Figure 33 of the.2016 edition);
k) Changed the rubber seat thickness dimension and the rubber seat diameter dimension in the "D" column of the chart (see Figure 36, Figure 34 of the.2016 edition);
l) Added the requirements for H08C valve cores and deleted the requirements for H07C valve cores (see 6.8, 6.8 of the.2016 edition);
m) Added the requirements for core cavity No. 5C (see 6.9);
n) Added the thread type, limit size and tolerance requirements for thread M2×0.5 and thread 3/16-40 (see 6.10);
o) Changed the maximum operating pressure requirements for CJ08 and CJ09 valves (see Table 5, Table 5 of the.2016 edition);
p) Changed the adhesion strength requirements between the rubber and metal body of the valve body and valve seat (see Table 6, Table 6 of the.2016 edition);
q) The inspection items in the “Valve Inspection Grouping” table have been changed (see Table 7, Table 7 of the.2016 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Tire and Rim Standardization (SAC/TC19).
This document was drafted by. Jiangyin Tianmeng Auto Parts Technology Co., Ltd., Jiangyin Boer Auto Parts Industry Co., Ltd., Anhui Topology Auto Parts Co., Ltd.
Co., Ltd., Shandong Haomai Valve Co., Ltd., Dongying Hengna Auto Parts Co., Ltd., Jiangyin Innovation Valve Co., Ltd., Xiamen Xiahui
Rubber Metal Industry Co., Ltd., Shandong Tongchuang Precision Technology Co., Ltd., Yantai Wanlong Auto Parts Co., Ltd., Ningbo Haofeng Sike Auto Parts Co., Ltd.
Co., Ltd., Shandong Gaotian Metal Manufacturing Co., Ltd., Laizhou Xinyang Auto Parts Co., Ltd., Guangdong Beiluo New Materials Technology Co., Ltd.,
Xiamen Jingyike Technology Co., Ltd. and China National Chemical Industry Guilin Engineering Co., Ltd.
The main drafters of this document are. Tang Yu, Ma Yongfeng, Liang Ping, Deng Yanju, Dong Yuefei, Cao Chengwei, Nie Yangyang, Zhao Wenqing, Du Honglei, Li Yunxiang,
Zhang Chuanwu, Sun Weihao, Yao Fangwei, Shen Yongqing, Chen Jie.
The previous versions of this document and the documents it replaces are as follows.
--- First issued as GB 12835-1991 in.1991 and first revised in.2001;
--- The second revision was GB 1796.2-2008 in.2008 and the third revision was in.2016;
---This is the fourth revision.
Introduction
GB/T 1796 "Tire Valve" is a product standard. my country has established product standards applicable to various types of tire valves.
System. The standard is divided into 7 parts.
--- Part 1.Compression-type inner tube valve. The purpose is to establish the production, use and inspection of compression-type inner tube valve products.
The basis of.
--- Part 2.Rubber seat tire valves. The purpose is to establish the basis for the production, use and inspection of rubber seat tire valves.
--- Part 3.Snap-on tire valves. The purpose is to establish the production, use and inspection of snap-on tire valves.
in accordance with.
--- Part 4.Compression-type tubeless tire valves. The purpose is to establish the requirements for the production and use of compression-type tubeless tire valves.
The basis for use and inspection.
--- Part 5.Large core cavity tire valves. The purpose is to establish the production, use and inspection of large core cavity tire valves.
in accordance with.
--- Part 6.Valve core. The purpose is to establish the basis for the production, use and inspection of tire valve core products.
--- Part 7.Components. The purpose is to establish the basis for the production, use and inspection of tire valve components.
Tire valve
Part 2.Rubber seat valve
1 Scope
This document specifies the model marking, structural type, component type, structural dimensions and
Material, appearance, rubber seat edge thickness, maximum operating pressure, sealing, rubber and metal body adhesion strength and adhesive rate, test method, inspection
Rules, marking, packaging and storage.
This document is applicable to valves for inner tubes of trucks, industrial vehicles, agricultural vehicles, construction machinery, motorcycles, electric bicycles and rickshaws.
Mouth manufacturing.
This document does not apply to valves for aircraft tires.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 1796.6 Tire valves Part 6.Valve core
GB/T 1796.7 Tire valves Part 7.Components
GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling for batch inspection based on acceptance quality limit (AQL)
plan
GB/T 9764 Tire valve core cavity
GB/T 9765 Tire valve thread
GB/T 9766.2 Tire valve test methods Part 2.Rubber seat valve test methods
GB/T 12839 Tire valve terms and definitions
GB/T 21285 Marking method for tire valves and their components
3 Terms and definitions
The terms and definitions defined in GB/T 12839 apply to this document.
4 Model marking
The model marking of the product shall comply with the provisions of GB/T 21285.For the comparison between the models in this document and foreign models, please see Appendix A.
5 Structural type
The structural type of the valve nozzle should comply with the requirements of Table 1 and Figures 1 to 24.
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