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BSPP 規格表
BSPP KS Specifications — 9個尺寸
ISO 228-1
ISOBSPP
9 sizes| Nominal | TPI | Major Dia (mm) | Minor Dia (mm) | Pitch Dia (mm) | Standard |
|---|---|---|---|---|---|
| G 1/8 | 28 | 9.728 | 8.566 | 9.147 | ISO 228-1 |
| G 1/4 | 19 | 13.157 | 11.445 | 12.301 | ISO 228-1 |
| G 3/8 | 19 | 16.662 | 14.95 | 15.806 | ISO 228-1 |
| G 1/2 | 14 | 20.955 | 18.631 | 19.793 | ISO 228-1 |
| G 3/4 | 14 | 26.441 | 24.117 | 25.279 | ISO 228-1 |
| G 1 | 11 | 33.249 | 30.291 | 31.77 | ISO 228-1 |
| G 1 1/4 | 11 | 41.91 | 38.952 | 40.431 | ISO 228-1 |
| G 1 1/2 | 11 | 47.803 | 44.845 | 46.324 | ISO 228-1 |
| G 2 | 11 | 59.614 | 56.656 | 58.135 | ISO 228-1 |
This specification follows ISO (International Organization for Standardization) standards. ISO ensures cross-border compatibility, making it ideal for multinational projects, export equipment design, and global parts procurement.
BSPP(英制平行管螺紋)亦稱「G螺紋」，是ISO 228-1標準下的平行管螺紋。無錐度不能自密封——必須配合平墊圈、O形圈或組合墊圈使用。本表列出G 1/8~G 2範圍的外徑、TPI、小徑和節圓直徑。廣泛用於歐洲、日本和中國工業設備的液壓/氣動端口、感測器和儀表介面。