7T990° BSPT 内螺纹
7T9
Rc1/8"×28 — Rc2"×11
螺纹范围Rc1/8"×28 — Rc2"×11
材质碳钢，不锈钢 304、316 和 316L
表面处理镀锌，三价铬钝化
镀锌、三价铬钝化仅适用于碳钢。
尺寸表
| 型号 | 螺纹 | 尺寸 | |||
|---|---|---|---|---|---|
| E | F | A | B | S1 | |
| 7T9-02 | Rc1/8"×28 | Rc1/8"×28 | 20 | 20 | 16 |
| 7T9-02-08 | Rc1/8"×28 | Rc1/2"×14 | 25 | 31 | 27 |
| 7T9-04 | Rc1/4"×19 | Rc1/4"×19 | 22.5 | 22.5 | 19 |
| 7T9-06 | Rc3/8"×19 | Rc3/8"×19 | 26 | 26 | 24 |
| 7T9-08 | Rc1/2"×14 | Rc1/2"×14 | 31 | 31 | 27 |
| 7T9-12 | Rc3/4"×14 | Rc3/4"×14 | 34 | 34 | 33 |
| 7T9-16 | Rc1"×11 | Rc1"×11 | 42 | 42 | 41 |
| 7T9-20 | Rc1.1/4"×11 | Rc1.1/4"×11 | 48 | 48 | 50 |
| 7T9-24 | Rc1.1/2"×11 | Rc1.1/2"×11 | 53 | 53 | 60 |
| 7T9-32 | Rc2"×11 | Rc2"×11 | 62 | 62 | 70 |
英锥管 BSPT
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