● 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