GB/T 44851.1-2025 Active National standards

GB/T 44851.1-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 1:General requirements and definitions

GB/T 44851.1-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 1:General requirements and definitions

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 44851.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: A car

ICS Name: Comprehensive Road Vehicles

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国汽车标准化技术委员会(SAC/TC 114)

Pages: 20 pages

Scope

本文件规定了液化天然气燃气系统部件的一般要求和定义,包括通用要求、电气设备和布线、说明书、标识。
本文件适用于符合GB/T 3730.1规定的液化天然气汽车燃气系统部件。
本文件不适用于以下内容：
a) 气瓶;
b) 固定式燃气发动机;
c) 容器固定机件;
d) 电子燃料控制系统;
e) 加注口。
本文件未覆盖到的部件参照执行,并进行相应的功能测试。
除非另有规定,本文件中提及的压力均视为表压。
本文件中用作燃料的天然气的工作压力为1.6 MPa。通过适当的因数(比例)调整压力,以适应其他工作压力。例如,工作压力为2 MPa的系统要求压力乘以1.25。

Development Information

Drafting Units:

陕西汽车集团股份有限公司、中国汽车工程研究院股份有限公司、北京福田欧辉新能源汽车有限公司、重庆市特种设备检测研究院、张家港中集圣达因低温装备有限公司、潍柴动力股份有限公司、北京兰天达汽车清洁燃料技术有限公司、广西玉柴机器股份有限公司、重庆凯瑞动力科技有限公司

Drafting Persons:

杨志刚、唐昆鹏、孙京、邢飞、黄兴、刘宏伟、李军银、高石、刘志治、刘军、宁德忠、张文博、盛利、邓路华、袁文强、王岗、林鹏慧、史祥东、郭文军、戴俊楠、兰楠、梁兆文、黄崧、刘洋、何程然、李男男、陈浩、赵红全、谢峥宇

Word Count: 21 Thousand words Pages: 20 pages

Same series standard

GB/T 44851.2-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 2:Performance and general test methods GB/T 44851.4-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 4:Manual valve GB/T 44851.5-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 5:Tank pressure gauge GB/T 44851.7-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 7:Pressure relief valve(PRV) GB/T 44851.8-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 8:Excess flow valve GB/T 44851.10-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 10:Rigid fuel line in stainless steel GB/T 44851.11-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 11:Fittings GB/T 44851.12-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 12:Rigid fuel line in copper and its alloys GB/T 44851.13-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 13:Tank pressure control regulator GB/T 44851.14-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 14:Differential pressure fuel content gauge GB/T 44851.15-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 15:Capacitance fuel content gauge GB/T 44851.16-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 16:Heat exchanger-vaporizer GB/T 44851.17-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 17:Natural gas detector GB/T 44851.18-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 18:Gas temperature sensor

Referenced Standards

GB/T 44851.1-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 1:General requirements and definitions GB/T 44851.2-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 2:Performance and general test methods GB/T 44851.3-2024 Road vehicles—Liquefied natural gas(LNG)fuel system components—Part 3:Check valve GB/T 44851.4-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 4:Manual valve GB/T 44851.5-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 5:Tank pressure gauge GB/T 44851.7-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 7:Pressure relief valve(PRV) GB/T 44851.8-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components— Part 8:Excess flow valve GB/T 44851.10-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 10:Rigid fuel line in stainless steel GB/T 44851.11-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 11:Fittings GB/T 44851.12-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 12:Rigid fuel line in copper and its alloys GB/T 44851.13-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 13:Tank pressure control regulator GB/T 44851.14-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 14:Differential pressure fuel content gauge GB/T 44851.15-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 15:Capacitance fuel content gauge GB/T 44851.16-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 16:Heat exchanger-vaporizer GB/T 44851.17-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 17:Natural gas detector GB/T 44851.18-2025 Road vehicles—Liquefied natural gas(LNG) fuel system components—Part 18:Gas temperature sensor ISO 15500(所有部分) ISO 19642(所有部分)

Adopt standards

ISO 12614-1:2021

Related Standards

GB/T 4352-1984 Replaced

GB/T 4352-1984 Fuel consumption for trucks in operation

Publish Date: 1984-04-30

GB/T 4353-1984 Replaced

GB/T 4353-1984 Fuel consumption for passenger vehicles in operation

Publish Date: 1984-04-30

GB/T 4971-1985 Replaced

GB/T 4971-1985 Terms and definitions—Automotive ride comfort

Publish Date: 1985-03-02

GB/T 5902-1986 Replaced

GB/T 5902-1986 Method of pulse input running test-Automobile ride comfort

Publish Date: 1986-03-05

GB/T 7031-1986 Replaced

GB/T 7031-1986 Vehicle vibration—Describing method for road surface irregularity

Publish Date: 1986-11-25

GB/T 918.1-1989 Abolished

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Publish Date: 1989-03-27