电站闸阀有两种标准形式,一种是遵循ANSIB16.34和JISL1E101标准的引进型,另一种是按JB3595标准的国标型.其遵循的温度-压力等级是一致的,在一些管道中存在着某种互换关系。中部采用无阀盖压力自紧式,在高温高压工况下具有良好的密封性能。
焊接高温高压闸阀 |
焊接高温高压闸阀型号:Z60Y、Z61Y、Z62Y-100/160/250/320 电站闸阀性能规范 | 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 | Z60Y-250 | 25 | 37.5 | 27.5 | - | ≤425 | 水、蒸汽、Water,steam | Z60Y-320 | 32 | 48.0 | 36.0 | - | ≤425 | Z60Y-P54100 | - | 30.0 | 22.0 | P5410 | ≤540 | 蒸汽 Steam | Z60Y-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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