Home / Standards / GB/T 26640-2011 GB/T 26640-2011 Active Specification for minimal thickness of the shell of valves 阀门壳体最小壁厚尺寸要求规范 Standard Type GBT ICS 23.060.01 CCS J16 Status 现行 Issue Date 2011-06-16 Implementation 2012-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A