設(shè)計與制造 | 結(jié)構(gòu)長度 | 壓力-溫度等級 | 連接法蘭 | 試驗與檢驗 |
GB12236 | GB12221 | GB9131 JB/T74 HG20604 | JB/T74-94 GB9113 HG20592-20635 | JB/T9092-1999 GB13927 |
稱壓力 PN(MPa) | 試驗壓力(MPa) | 適用溫度(℃) | 適用介質(zhì) | ||||
強(qiáng)度試驗 | 密封試驗 | WCB | Cr5Mo | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | ||
1.6 | 2.4 | 1.8 | ≤425 | ≤550 | ≤220 | ≤200 | 水、油品、蒸汽、酸性介質(zhì) |
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 |
零件名稱 | 材料編號 | |||
閥體 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
閥蓋 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
閥瓣 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
搖桿 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
閥座 | 25 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
銷軸 | 1Cr17Ni2 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | |
密封環(huán)、墊片 | 包覆墊 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |