針形截止閥 鋼制針形截止閥最小壁厚
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針形截止閥 鋼制針形截止閥最小壁厚
公稱(chēng)尺寸 DN | 閥座直徑/ mm | 公稱(chēng)壓力 PN | ||||||
16 | 25 | 40 | 63 | 100 | 160 | 320 | ||
最小壁厚/ mm | ||||||||
3 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.3 | 4.2 |
6 | 5.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.3 | 4.2 |
10 | 5.0 | 3.0 | 3.0 | 3.0 | 3.1 | 3.3 | 3.8 | 5.2 |
15 | 5.0 | 3.0 | 3.0 | 3.1 | 3.2 | 3.3 | 4.3 | 6.2 |
20 | 7.0 | 3.0 | 3.4 | 3.7 | 4.2 | 4.3 | 5.3 | 7.4 |
25 | 8.0 | 4.0 | 4.2 | 4.6 | 4.8 | 4.8 | 6.4 | 8.7 |
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