通用阀门焊接评定ASME和EN标准的应用

Application of ASME and EN standard in welding qualification for universal valves

分析了阀门行业在进行ISO 90 0 0和CE认证过程中 ,在焊接工艺评定和焊工评定方面所使用的ASMEⅨ与EN 2 87和EN 2 88标准的不同之处。指出了焊接评定过程中应特别注意的问题。

analyses the differences between the standards of ASME Ⅸ and EN 287,EN 288 used for welding process qualification and welder qualification methods during carrying out ISO 9000 and CE authentication in valve industry,points out the particular problems which shoud be paid more attention to during the process of welding qualification.