GB/T 44916-2024船舶和海上技术　船用超低温闸阀　设计与试验要求.pdf

ICS47.020.30

CCSU53

中华人民共和国国家标准

GB/T44916—2024/ISO19037:2019

船舶和海上技术船用超低温闸阀

设计与试验要求

Shipsandmarinetechnology—Gatevalvesforuseinlowtemperature

applications—Designandtestingrequirements

（ISO19037：2019，IDT）

2024⁃11⁃28发布2025⁃03⁃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/T44916—2024/ISO19037:2019

目次

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

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

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

3术语和定义··············································································································2

4压力温度等级···········································································································3

4.1介质类型···········································································································3

4.2工作压力和设计温度····························································································3

5设计·······················································································································4

5.1闸阀基本结构·····································································································4

5.2材料基本要求·····································································································4

5.3阀体的型式与材料·················································