制造验收技术条件按日本火力发电用阀门标准E101和JB/B595的规定。 结构长度按E101的规格或按用户提供尺寸。 焊接坡口按电力工业管理标准78DG的规定或按用户提供尺寸。 The manufalture and aueptance specification shan be based on the japanese seandare E101 applied for the thermal power and JB/T2595-93. The lenglh shan bein line with E101 or by user’s speeifica tion. Welding groove shan be in auordanle with power industh specification 78DG or hg user’s specification. The size in inclose is old production’s size.