● 制造与验收技术条件按日本火力发电用阀门标准e101和jb/t3595-93的规定；
● 结构长度按e101的规定或按用户提供尺寸
● 焊接坡口接电力工业管理标准78dg的规定或按用户提供尺寸。
● the manufalture and aueptanle specigication shan be based on the japanese standard e101 applied for the thermal powerand
jb/t3595-93
● the length shall bein line with e101 or by user’s speeification.
● welding groove shan be in auordanle with power industrh spe-cification 78dg or hg user’ specification
● the size in inclose is old production’s size