产品引用标准：● 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
主要零件的材料说明：
性能规范Property and specifiecation
产品型号 Product type公称压力PN（MPa）Nominal pressure 试验压力（MPa）Test pressure 工作压力（MPa）Working pressure 工作温度（℃）Working temperature 适用介质Appicable medium
强度试验Sheel test 密封试验/上密封实验Seal test
Z960Y-250 25 37.5 27.5 - ≤425 水、蒸汽、Water,steam
Z960Y-320 32 48.0 36.0 - ≤425
Z960Y-P54100 - 30.0 22.0 P5410 ≤540 蒸汽 Steam
Z960Y-P54170 - 48.0 36.0 P5417 ≤540
主要零件材料Matecrial for main parts
零件名称Part name 材料牌号Material designation
阀体Body WCB WC6 WC9
阀板Disc WCB WC6 WC9
阀盖Bonnet 25 12Cr1Mo1VA
阀杆Stem 1Cr17Ni2 20Cr1Mo1VA
阀座Seat 25 12Cr1Mo1VA
密封环Sealing ring S软钢（增强柔性石墨）S soft steel （flexible graphite） S软钢S soft steel F软钢F Soft steel
填料Packing 增强柔性石墨Fexible graphite
支架Yoke WCB WCB或WC6
阀杆螺母Stem nut 45（ZCuZn25A16Fe3Mn3）
四开环Four piece ring 1Cr13 20Cr1MoVA