资讯动态
金属密封球阀 放泄孔螺纹尺寸_阀门标准
金属密封球阀 放泄孔螺纹尺寸
公称尺寸 DN |
螺 纹 尺 寸 | |
| mm | inch | |
| 50～100 | 14 | 1/2 |
| 150～200 | 20 | 3/4 |
| ≥250 | 24 | 1 |
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