Standard specification for high strength steel castings in heavy sections 重型型钢中高强度钢铸件的标准规范
2.
Body : body is cast with heavy sections reinforced at points subjected to the greatest stress . valves are available in both flanged and butt welding ends . all conform to asme specifications 阀体：阀体为铸件，在关键点上通过重型型钢加以强化，能够承受更大的应力。这些阀门都可配置法兰连接端口和对焊连接端口，都符合asme标准。
