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Tri-wheel vehicle fuel tanks - Safety property requirements and test methods
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GB/T 21423-2025
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| GB/T 21423-2008 | English | 149 |
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Tri-wheel vehicles fuel tank -- Safety property requirements and test methods
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GB/T 21423-2008
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Basic data | Standard ID | GB/T 21423-2025 (GB/T21423-2025) | | Description (Translated English) | Tri-wheel vehicle fuel tanks - Safety property requirements and test methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T54 | | Classification of International Standard | 65.060 | | Word Count Estimation | 10,145 | | Date of Issue | 2025-10-31 | | Date of Implementation | 2026-05-01 | | Older Standard (superseded by this standard) | GB/T 21423-2008 | | Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China | GB/T 21423-2025: Tri-wheel vehicle fuel tanks - Safety property requirements and test methods---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 65.060
CCST54
National Standards of the People's Republic of China
Replaces GB/T 21423-2008
Safety performance requirements for fuel tanks of three-wheeled vehicles and
Test methods
Published on 2025-10-31
Implemented on May 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document supersedes GB/T 21423-2008 "Safety Performance Requirements and Test Methods for Fuel Tanks of Three-Wheeled Vehicles" and is consistent with GB/T 21423-
Compared to.2008, aside from structural adjustments and editorial changes, the main technical changes are as follows.
---The scope of the standard has been changed to include plastic fuel tanks (see Chapter 1, Chapter 1 of the.2008 edition);
---The terms "fuel permeation" and "automatic pressure compensation device" and their definitions have been added (see 3.4 and 3.5);
---Security requirements have been changed (see 4.1, 3.1 in the.2008 version);
---The material requirements for fuel tanks have been changed (see 4.2.1, 3.1.1 in the.2008 version);
---Added requirements for low-temperature impact resistance, fuel permeability, fuel resistance, and high-temperature resistance of plastic fuel tanks.
And fire resistance requirements (see 4.2.6~4.2.10);
---Added checks on safety requirements (see 5.1);
---A safety valve opening pressure test method has been added (see 5.2);
---The test method for rated fuel tank capacity has been changed (see 5.3, 4.2 in the.2008 edition);
---The fuel tank sealing test method has been changed (see 5.4, 4.4 in the.2008 edition);
---The fuel tank pressure test method has been changed (see 5.5, 4.6 in the.2008 edition);
---The test conditions for the fuel tank vibration durability test have been changed (see 5.6, 4.5 in the.2008 edition);
---Added tests for low-temperature impact resistance, fuel permeability, fuel resistance, and high-temperature resistance of plastic fuel tanks.
And the test methods for fire resistance performance (see 5.7~5.11).
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Standardization of Low-Speed Vehicles (SAC/TC234).
This document was drafted by. Zhejiang Lvju Vehicle Industry Co., Ltd., Shandong Wuzheng Group Co., Ltd., and Shandong Shifeng (Group) Co., Ltd.
China Academy of Agricultural Mechanization Sciences Group Co., Ltd., Mingzhen Industrial Holding Group Co., Ltd., Shandong Shuangli Vehicle Co., Ltd., Weichai
Lovol Smart Agriculture Technology Co., Ltd., Anhui Ningguo Xinma Vehicle Co., Ltd., Beijing Industrial Vocational College, Xuzhou XCMG
Automobile manufacturing company, Zhejiang Provincial Agricultural Machinery Industry Association, Shanghai University of Engineering Science, Hangzhou Vocational and Technical College, Taizhou Inspection Bureau
Testing company, Guanxian Taixin Machinery Manufacturing Co., Ltd.
The main drafters of this document are. Xu Yi, Jiang Wenjuan, Liu Dongwei, Lü Shusheng, Lin Lianhua, Wang Haiting, Wang Xichao, Gong Zengmin, Xu Haigang, and Zhang Qi.
Zhu Xundong, Wang Hui, Liu Haitao, Du Enwei, Liu Gongxing, Yang Ge, Gan Lecong, Wang Yafei, Hua Qi, Ruan Li, Chen Hao, Shi Yunbin, Zhang Qingyi, Chang Guangmin.
This document was first published in.2008, and this is its first revision.
Safety performance requirements for fuel tanks of three-wheeled vehicles and
Test methods
1 Scope
This document specifies the safety performance requirements for fuel tanks of three-wheeled vehicles and describes the corresponding test methods.
This document applies to the design, manufacture, and inspection of metal and plastic fuel tanks for three-wheeled vehicles. For fuel tanks made of other materials, please refer to [the relevant documentation/reference needed].
Follow the instructions.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB 7258-2017 Technical Conditions for Safe Operation of Motor Vehicles
GB 19147-2016 Diesel Fuel for Vehicles
GB/T 23292-2009 Test Methods for Tractor Fuel Tanks
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
fuel tank
Mounted on a three-wheeled vehicle, it is assembled from a fuel tank body, refueling hose, refueling port, fuel tank cap, pipe fittings, and other auxiliary devices, and is used for storing fuel.
The entire assembly of a separate fuel storage tank.
3.2
fuelleak
The fuel in the fuel tank falls in a linear or granular manner.
3.3
Rated capacity
The fuel tank design parameters specify the volume for refueling.
3.4
fuel permeability
The loss of fuel in the fuel tank due to molecular diffusion.
3.5
A device that automatically compensates for the pressure above the fuel level in the fuel tank.
4.Safety performance requirements
4.1 Safety Requirements
4.1.1 All components of the fuel tank shall be properly protected by the body or frame of the three-wheeled vehicle to prevent contact with ground obstacles.
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GB/T 21423-2025: Tri-wheel vehicle fuel tanks - Safety property requirements and test methods
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