QC/T 917-2024燃气汽车专用手动截止阀.pdf

ICS43.040.99

CCST34

中华人民共和国汽车行业标准

QC/T917—2024

代替QC/T917—2013

燃气汽车专用手动截止阀

Manualvalveforgasvehicles

2024⁃11⁃07发布2025⁃05⁃01实施

中华人民共和国工业和信息化部发布

QC/T917—2024

目次

前言··························································································································Ⅲ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································1

4技术要求·················································································································1

5试验方法·················································································································3

6标志·······················································································································7

Ⅰ

QC/T917—2024

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

本文件代替QC/T917—2013《燃气汽车专用手动截止阀》，与QC/T917—2013相比，除结构调整

和编辑性改动外，主要技术变化如下：

——更改了范围中的内容（见第1章，2013年版的第1章）；

——增加了公称工作压力的定义（见3.2）；

——更改了一般要求内容（见4.1，2013年版的4.1）；

——更改了性能要求中的气密性，耐氧老化性，液静压强度，耐久性，耐臭氧老化性名称及