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一、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
二、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 |
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| 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 | |
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