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。
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 | 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 | |
