| 称压力 PN(MPa) | 试验压力(MPa) | 适用温度(℃) | 适用介质 | | 强度试验 | 密封试验 | WCB | Cr5Mo | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | | 1.6 | 2.4 | 1.8 | ≤425 | ≤550 | ≤220 | ≤200 | 水、油品、蒸汽、酸性介质 | | 2.5 | 3.8 | 2.8 | | 4.0 | 6.0 | 4.4 | | 6.4 | 9.6 | 7.1 | | 10.0 | 15.0 | 11.0 | - | | 16.0 | 24.0 | 17.6 | | 25.0 | 37.5 | 27.5 | | 主要零件材料及性能: | | 零件名称 | 材料编号 | | 阀 体 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | | 阀 盖 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | | 阀 瓣 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | | 摇 杆 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | | 阀 座 | 25 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 销 轴 | 1Cr17Ni2 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 密封环、垫片 | 包覆垫 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
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