相关标准对金属密封副止回阀密封试验泄漏率的规定及分析

Measure and analysis about the leakage rate in sealing test for metal-seated check valve covered in GB standard

分析和探讨了金属密封副止回阀密封试验相关标准对其泄漏率的规定,提出了GB/T12233《通用阀门铁制截止阀和升降式止回阀》修订版对金属密封副止回阀密封试验泄漏率的主要修改内容。

By analysis and discussion about the leakage rate in sealing test for metal-seated check valve covered in GB standard, put forward the main revised content about the leakage rate in sealing test for metal-seated check valve for GB/T 12233 《General valve Iron globe valve and lift check valve》.