国外阀门材料常用技术标准 高温用铁素体球墨铸铁承压铸件、修补区域的最小厚度
铁管塞堵尺寸,英寸 | 最小修补厚度,英寸[mm] |
1/8 | 11/32[8] |
1/4 | 7/16[10] |
3/8 | 1/2[13] |
1/2 | 21/32[17] |
3/4 | 3/4[19] |
1 | 13/16[21] |
11/4 | 7/8[23] |
11/2 | 15/16[24] |
2 | 1[26] |
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