还是关于阀门技术规范的翻译问题，这次有些多，不过只剩 ...？ 6、 welding of casting’s only acceptable for valve bodies and bonnets/cover plates, in accordance with the provisions of their respective specifications and subject to prior agreement by principal / company. repairs to all body castings by peening or impregnation are prohibited. all excavations shall be subject to mpi or dpi prior to welding. no repairs will be permitted to castings, which suffer through wall leakage during hydrostatic or gas testing. 只有在事先得到业主/公司同意的情况下，才能按照规格书的相关要求对铸件进行焊接作业，且对象仅限于阀体和阀盖/盖板。严禁采取锤击或浸渗法修补任何主体铸件。焊接前的挖凿应根据mpi或dpi结果（mpi 是material positive identification的缩写， 一般用于材料检测，常喊作打光谱，dpi应该也是探伤检测的一种）。不得对水压测试或气压测试时出现壁漏的铸件进行修补。查看更多
第1天
关注盖德视界
添加小助手
