国外标准列表
-
[国外标准] MSS SP-53-2002 quality standard for steel castings and forgings for Valves,Flanges,and Fittings and
-
[国外标准] MSS SP-25-1998 阀门、管件、法兰和管接头的标准标记方法 Standard Marking System for Valves, Fittings, Flanges and Unions
-
[国外标准] MSS SP-120-2006 Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements