内螺纹弯头
专为仪器仪表、过程控制及分析系统打造的全金属密封解决方案。316不锈钢精密制造，双卡套结构确保在高压与振动工况下实现零泄漏连接。其他材料可定制。
优点：
• 材质卓越： 全316不锈钢材质，耐腐蚀性能优异，适用于严苛化学环境
• 全规格覆盖：多种尺寸与配置可选，灵活适配各类管路系统
• 品质可追溯：完整热处理代码追溯体系，从原材料到成品全程质量管控
• 即装即用： 符合国际标准制造，安装可靠便捷
优点：
• 材质卓越： 全316不锈钢材质，耐腐蚀性能优异，适用于严苛化学环境
• 全规格覆盖：多种尺寸与配置可选，灵活适配各类管路系统
• 品质可追溯：完整热处理代码追溯体系，从原材料到成品全程质量管控
• 即装即用： 符合国际标准制造，安装可靠便捷
行业:
• 半导体/微电子
• 化学
• 石化
• 运输
• 电力
• 核能
• 石油和天然气
• 研究所
应用:
• 仪表直接连接系统
• 分析装置
• CNG / LNG 压缩天然气/液化天然气管线
• 氢气设备
• 海上控制盘
• 感测线
英制管外径 x NPT内螺纹
| T Tube OD | P NPT Female | A | B | C | D | E min. | F A/F | G A/F | Hx | Hy | Part No. |
| 1/8 | 1/8 | 24.6 | 10.4 | 15.3 | 12.7 | 2.4 | 14.0 | 11.0 | 18.0 | 19.0 | 2 SEF-N |
| 1/8 | 1/4 | 27.4 | 15.0 | 15.3 | 12.7 | 2.4 | 19.0 | 11.0 | 20.8 | 22.4 | 2-4 SEF-N |
| 1/4 | 1/8 | 26.9 | 10.4 | 17.8 | 15.3 | 4.8 | 14.0 | 14.0 | 19.6 | 19.0 | 4-2 SEF-N |
| 1/4 | 1/4 | 29.7 | 15.0 | 17.8 | 15.3 | 4.8 | 19.0 | 14.0 | 22.4 | 22.4 | 4 SEF-N |
| 1/4 | 3/8 | 31.8 | 15.0 | 17.8 | 15.3 | 4.8 | 22.0 | 14.0 | 24.4 | 22.4 | 4-6 SEF--N |
| 1/4 | 1/2 | 34.6 | 19.8 | 17.8 | 15.3 | 4.8 | 27.0 | 14.0 | 27.2 | 28.5 | 4-8 SEF-N |
| 5/16 | 1/8 | 28.7 | 10.4 | 17.8 | 15.3 | 6.3 | 19.0 | 14.0 | 21.4 | 19.1 | 5-2 SEF-N |
| 5/16 | 1/4 | 30.5 | 15.0 | 18.5 | 16.3 | 6.3 | 22.0 | 16.0 | 23.2 | 22.4 | 5-4 SEF-N |
| 3/8 | 1/8 | 30.5 | 10.4 | 19.3 | 16.8 | 7.1 | 17.0 | 17.0 | 23.2 | 19.1 | 6-2 SEF-N |
| 3/8 | 1/4 | 31.2 | 15.0 | 19.3 | 16.8 | 7.1 | 19.0 | 17.0 | 23.9 | 22.4 | 6-4 SEF-N |
| 3/8 | 3/8 | 33.3 | 15.0 | 19.3 | 16.8 | 7.1 | 22.0 | 17.0 | 25.9 | 22.4 | 6 SEF-N |
| 3/8 | 1/2 | 36.0 | 19.8 | 19.3 | 16.8 | 7.1 | 27.0 | 17.0 | 28.7 | 28.5 | 6-8 SEF-N |
| 1/2 | 1/4 | 36.0 | 15.0 | 21.8 | 22.9 | 7.1 | 22.0 | 22.0 | 25.9 | 22.4 | 8-4 SEF-N |
| 1/2 | 3/8 | 36.0 | 15.0 | 21.8 | 22.9 | 10.4 | 22.0 | 22.0 | 25.9 | 22.4 | 8-6 SEF-N |
| 1/2 | 1/2 | 38.9 | 19.8 | 21.8 | 22.9 | 10.4 | 27.0 | 22.0 | 28.7 | 28.5 | 8 SEF-N |
| 5/8 | 3/8 | 38.1 | 15.0 | 21.8 | 22.9 | 12.7 | 24.0 | 22.0 | 28.0 | 22.4 | 10-6 SEF-N |
| 5/8 | 1/2 | 39.9 | 19.8 | 21.8 | 24.4 | 12.7 | 27.0 | 25.0 | 29.7 | 28.5 | 10-8 SEF-N |
| 3/4 | 1/2 | 39.9 | 19.8 | 21.8 | 24.4 | 15.8 | 27.0 | 28.5 | 29.7 | 28.5 | 12-8 SEF-N |
| 3/4 | 3/4 | 44.7 | 20.6 | 21.8 | 24.4 | 15.8 | 35.0 | 28.5 | 34.6 | 31.8 | 12 SEF-N |
| 7/8 | 3/4 | 44.7 | 20.6 | 21.8 | 25.9 | 18.2 | 35.0 | 32.0 | 34.6 | 31.8 | 14-12 SEF-N |
| 1 | 3/4 | 49.0 | 20.6 | 26.4 | 31.2 | 22.3 | 35.0 | 38.0 | 36.8 | 31.8 | 16-12 SEF-N |
| 1 | 1 | 53.6 | 25.4 | 26.4 | 31.2 | 22.3 | 41.0 | 38.0 | 41.4 | 38.1 | 16 SEF-N |
公制管外径 x NPT内螺纹
| T Tube OD | P NPT Female | A | B | C | D | E min. | F A/F | G A/F | Hx | Hy | Part No. |
| 3 | 1/8 | 24.6 | 10.4 | 15.3 | 12.9 | 2.4 | 14.0 | 11.0 | 18.0 | 19.0 | SEF 3-2N |
| 3 | 1/4 | 27.4 | 15.0 | 15.3 | 12.9 | 2.4 | 19.0 | 11.0 | 20.8 | 22.4 | SEF 3-4N |
| 6 | 1/8 | 27.0 | 10.4 | 17.7 | 15.3 | 4.8 | 14.0 | 14.0 | 19.6 | 19.0 | SEF 6-2N |
| 6 | 1/4 | 29.8 | 15.0 | 17.7 | 15.3 | 4.8 | 19.0 | 14.0 | 22.4 | 22.4 | SCF 6-4N |
| 6 | 1/2 | 34.6 | 19.8 | 17.7 | 15.3 | 4.8 | 27.0 | 14.0 | 27.2 | 28.5 | SEF 6-8N |
| 8 | 1/4 | 30.6 | 15.0 | 18.6 | 16.2 | 6.3 | 19.0 | 16.0 | 23.1 | 22.4 | SEF 8-4N |
| 8 | 3/8 | 32.6 | 15.0 | 18.6 | 16.2 | 6.3 | 22.0 | 16.0 | 25.1 | 22.4 | SEF 8-6N |
| 10 | 1/4 | 33.5 | 15.0 | 19.5 | 17.2 | 7.9 | 19.0 | 19.0 | 25.9 | 22.4 | SEF 10-4N |
| 10 | 3/8 | 33.5 | 15.0 | 19.5 | 17.2 | 7.9 | 22.0 | 19.0 | 25.9 | 22.4 | SEF 10-6N |
| 12 | 1/4 | 36.0 | 15.0 | 22.0 | 22.8 | 9.5 | 22.0 | 22.0 | 25.9 | 22.4 | SEF 12-4N |
| 12 | 3/8 | 36.0 | 15.0 | 22.0 | 22.8 | 9.5 | 22.0 | 22.0 | 25.9 | 22.4 | SEF 12-6N |
| 12 | 1/2 | 38.8 | 19.8 | 22.0 | 22.8 | 9.5 | 27.0 | 22.0 | 28.7 | 28.5 | SEF 12-8N |
| 16 | 1/2 | 39.5 | 19.8 | 22.0 | 24.4 | 12.7 | 27.0 | 25.0 | 29.7 | 28.5 | SEF 16-8N |
| 25 | 3/4 | 49.0 | 20.6 | 26.5 | 31.3 | 22.3 | 35.0 | 38.0 | 36.8 | 31.8 | SEF 25-12N |
| 25 | 1 | 53.6 | 25.4 | 26.5 | 31.3 | 22.3 | 41.0 | 38.0 | 41.4 | 38.1 | SEF 25-16N |
英制管外径 x ISO锥管螺纹
| T Tube OD | P NPT Female | A | B | C | D | E min. | F A/F | G A/F | Hx | Hy | Part No. |
| 1/8 | 1/8 | 24.6 | 10.4 | 15.3 | 12.7 | 2.4 | 14.0 | 11.0 | 18.0 | 19.0 | 2 SEF-Rx |
| 1/8 | 1/4 | 27.4 | 15.0 | 15.3 | 12.7 | 2.4 | 19.0 | 11.0 | 20.8 | 22.4 | 2-4 SEF-Rx |
| 1/4 | 1/8 | 26.9 | 10.4 | 17.8 | 15.3 | 4.8 | 14.0 | 14.0 | 19.6 | 19.0 | 4-2 SEF-Rx |
| 1/4 | 1/4 | 29.7 | 15.0 | 17.8 | 15.3 | 4.8 | 19.0 | 14.0 | 22.4 | 22.4 | 4 SEF-Rx |
| 1/4 | 3/8 | 31.8 | 15.0 | 17.8 | 15.3 | 4.8 | 22.0 | 14.0 | 24.4 | 22.4 | 4-6 SEF--Rx |
| 1/4 | 1/2 | 34.6 | 19.8 | 17.8 | 15.3 | 4.8 | 27.0 | 14.0 | 27.2 | 28.5 | 4-8 SEF-Rx |
| 5/16 | 1/8 | 28.7 | 10.4 | 17.8 | 15.3 | 6.3 | 19.0 | 14.0 | 21.4 | 19.1 | 5-2 SEF-Rx |
| 5/16 | 1/4 | 30.5 | 15.0 | 18.5 | 16.3 | 6.3 | 22.0 | 16.0 | 23.2 | 22.4 | 5-4 SEF-Rx |
| 3/8 | 1/8 | 30.5 | 10.4 | 19.3 | 16.8 | 7.1 | 17.0 | 17.0 | 23.2 | 19.1 | 6-2 SEF-Rx |
| 3/8 | 1/4 | 31.2 | 15.0 | 19.3 | 16.8 | 7.1 | 19.0 | 17.0 | 23.9 | 22.4 | 6-4 SEF-Rx |
| 3/8 | 3/8 | 33.3 | 15.0 | 19.3 | 16.8 | 7.1 | 22.0 | 17.0 | 25.9 | 22.4 | 6 SEF-Rx |
| 3/8 | 1/2 | 36.0 | 19.8 | 19.3 | 16.8 | 7.1 | 27.0 | 17.0 | 28.7 | 28.5 | 6-8 SEF-Rx |
| 1/2 | 1/4 | 36.0 | 15.0 | 21.8 | 22.9 | 7.1 | 22.0 | 22.0 | 25.9 | 22.4 | 8-4 SEF-Rx |
| 1/2 | 3/8 | 36.0 | 15.0 | 21.8 | 22.9 | 10.4 | 22.0 | 22.0 | 25.9 | 22.4 | 8-6 SEF-Rx |
| 1/2 | 1/2 | 38.9 | 19.8 | 21.8 | 22.9 | 10.4 | 27.0 | 22.0 | 28.7 | 28.5 | 8 SEF-Rx |
| 5/8 | 3/8 | 38.1 | 15.0 | 21.8 | 22.9 | 12.7 | 24.0 | 22.0 | 28.0 | 22.4 | 10-6 SEF-Rx |
| 5/8 | 1/2 | 39.9 | 19.8 | 21.8 | 24.4 | 12.7 | 27.0 | 25.0 | 29.7 | 28.5 | 10-8 SEF-Rx |
| 3/4 | 1/2 | 39.9 | 19.8 | 21.8 | 24.4 | 15.8 | 27.0 | 28.5 | 29.7 | 28.5 | 12-8 SEF-Rx |
| 3/4 | 3/4 | 44.7 | 20.6 | 21.8 | 24.4 | 15.8 | 35.0 | 28.5 | 34.6 | 31.8 | 12 SEF-Rx |
| 7/8 | 3/4 | 44.7 | 20.6 | 21.8 | 25.9 | 18.2 | 35.0 | 32.0 | 34.6 | 31.8 | 14-12 SEF-Rx |
| 1 | 3/4 | 49.0 | 20.6 | 26.4 | 31.2 | 22.3 | 35.0 | 38.0 | 36.8 | 31.8 | 16-12 SEF-Rx |
| 1 | 1 | 53.6 | 25.4 | 26.4 | 31.2 | 22.3 | 41.0 | 38.0 | 41.4 | 38.1 | 16 SEF-Rx |
公制管外径 x ISO锥管螺纹
| T Tube OD | P NPT Female | A | B | C | D | E min. | F A/F | G A/F | Hx | Hy | Part No. |
| 3 | 1/8 | 24.6 | 10.4 | 15.3 | 12.9 | 2.4 | 14.0 | 11.0 | 18.0 | 19.0 | SEF 3-2Rx |
| 3 | 1/4 | 27.4 | 15.0 | 15.3 | 12.9 | 2.4 | 19.0 | 11.0 | 20.8 | 22.4 | SEF 3-4Rx |
| 6 | 1/8 | 27.0 | 10.4 | 17.7 | 15.3 | 4.8 | 14.0 | 14.0 | 19.6 | 19.0 | SEF 6-2Rx |
| 6 | 1/4 | 29.8 | 15.0 | 17.7 | 15.3 | 4.8 | 19.0 | 14.0 | 22.4 | 22.4 | SCF 6-4Rx |
| 6 | 1/2 | 34.6 | 19.8 | 17.7 | 15.3 | 4.8 | 27.0 | 14.0 | 27.2 | 28.5 | SEF 6-8Rx |
| 8 | 1/4 | 30.6 | 15.0 | 18.6 | 16.2 | 6.3 | 19.0 | 16.0 | 23.1 | 22.4 | SEF 8-4Rx |
| 8 | 3/8 | 32.6 | 15.0 | 18.6 | 16.2 | 6.3 | 22.0 | 16.0 | 25.1 | 22.4 | SEF 8-6Rx |
| 10 | 1/4 | 33.5 | 15.0 | 19.5 | 17.2 | 7.9 | 19.0 | 19.0 | 25.9 | 22.4 | SEF 10-4Rx |
| 10 | 3/8 | 33.5 | 15.0 | 19.5 | 17.2 | 7.9 | 22.0 | 19.0 | 25.9 | 22.4 | SEF 10-6Rx |
| 12 | 1/4 | 36.0 | 15.0 | 22.0 | 22.8 | 9.5 | 22.0 | 22.0 | 25.9 | 22.4 | SEF 12-4Rx |
| 12 | 3/8 | 36.0 | 15.0 | 22.0 | 22.8 | 9.5 | 22.0 | 22.0 | 25.9 | 22.4 | SEF 12-6Rx |
| 12 | 1/2 | 38.8 | 19.8 | 22.0 | 22.8 | 9.5 | 27.0 | 22.0 | 28.7 | 28.5 | SEF 12-8Rx |
| 16 | 1/2 | 39.5 | 19.8 | 22.0 | 24.4 | 12.7 | 27.0 | 25.0 | 29.7 | 28.5 | SEF 16-8Rx |
| 25 | 3/4 | 49.0 | 20.6 | 26.5 | 31.3 | 22.3 | 35.0 | 38.0 | 36.8 | 31.8 | SEF 25-12Rx |
| 25 | 1 | 53.6 | 25.4 | 26.5 | 31.3 | 22.3 | 41.0 | 38.0 | 41.4 | 38.1 | SEF 25-16Rx |
参考规格: BS 21: ISO 7/1 : JIS B 0203 : DIN 2999 : IS 554
ISO平行内螺纹的接头（符合BS:2779、ISO 228/1、JIS B6202及DIN 259标准）亦可提供。其外形尺寸与上述ISO锥管螺纹接头相同。
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