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NPT英制螺纹
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螺纹标准 ANSI B 1.20.1
螺纹规格 | 螺距 | 基径d1 | 底径d2 | 螺纹标号 | 螺牙角度 | 基本长度 |
---|---|---|---|---|---|---|
NPT 1/4 | 1.411 | 13.62 | 11.36 | 18 | 60 | 10 |
NPT 3/8 | 1.411 | 17.02 | 14.8 | 18 | 60 | 10/3 |
NPT 1/2 | 1.814 | 21.22 | 18.32 | 14 | 60 | 13.6 |
NPT 3/4 | 1.814 | 26.57 | 23.67 | 14 | 60 | 14.1 |
NPT 1 | 2.208 | 33.23 | 29.69 | 11 1/2 | 60 | 16.8 |
NPT 1 1/2 | 2.208 | 48.05 | 44.52 | 11 1/2 | 60 | 17.3 |
NPT 2 | 2.208 | 60.09 | 56.56 | 11 1/2 | 60 | 17.7 |
NPT 2 1/2 | 3.175 | 72.69 | 67.65 | 8 | 60 | 23.7 |