GB/T 44519-2024工业阀门　阀门用齿轮箱.pdf

ICS23.060.99

CCSJ16

中华人民共和国国家标准

GB/T44519—2024

工业阀门阀门用齿轮箱

Industrialvalves—Gearboxforvalves

（ISO22109：2020，MOD）

2024⁃09⁃29发布2025⁃04⁃01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T44519—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分类·······················································································································2

4.1概述·················································································································2

4.2操作类型···········································································································2

4.3旋转类型···········································································································2

5设计要求·················································································································2

5.1寿命·················································································································2

5.2结构完整性········································································································3

5.3自锁······