中华人民共和国国家标准GB/T600—2023代替GB/T600—2008船舶管路阀件通用技术条件Generalspecificationsformarinepipingvalvesandfittings2023-10-01实施国家市场监督管理总局分在国家标准化管理委员会发布2023-03-17发布GB/T600—2023目次前言.............................................................................................In1范围............................................................................................12规范性引用文件..................................................................................13术吾和定义.........................................................................................24要求...............................................................................................24.1材料......................................................................................24.2壁厚......................................................................................34.3结构长度..................................................................................34.4驱动装置..................................................................................44.5尺寸公差..................................................................................54.6配合精度和表面粗糙度......................................................................54.7形位公差..................................................................................64.8螺纹精度..................................................................................74.9紧固件....................................................................................74.1C..........................................................................................................................................................装配74.11外观......................................................................................74.12无损检测..................................................................................84.13质量......................................................................................84.14强度......................................................................................84.15密封性....................................................................................94.1€压力差异限制..........................................................................114.17耐火.....................................................................................114.18流量系数.................................................................................115试验方法与试验条件.............................................................................115.1试验方法.................................................................................115.2试验条件.................................................................................146标志、防护、包装、贮存........................................................................156.1标志.....................................................................................156.2防护.....................................................................................156.3包装.....................................................................................156.4贮存.....................................................................................15附录A（资料性）压力级对应关系...........................................................
