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产品技术参数：
| 代号 RAPT NO. | 螺纹 THREAD | 尺寸 DIMENSIONS | ||||
| T1 | T2 | L1 | L | S1 | S2 | |
| 2NB-02 | NPT1/8＂X27 | G1/8＂X28 | 10.5 | 25.5 | 12 | 14 |
| 2NB-02-04 | NPT1/8＂X27 | G1/4＂X19 | 10.5 | 27 | 14 | 19 |
| 2NB-04 | NPT1/4＂X18 | G1/4＂X19 | 15 | 31 | 17 | 19 |
| 2NB-04-06 | NPT1/4＂X18 | G3/8＂X19 | 15 | 32.5 | 17 | 22 |
| 2NB-04-08 | NPT1/4＂X18 | G1/2＂X14 | 15 | 35 | 19 | 27 |
| 2NB-06 | NPT3/8＂X18 | G3/8＂X19 | 16 | 33.5 | 19 | 22 |
| 2NB-06-08 | NPT3/8＂X18 | G1/2＂X14 | 16 | 36 | 19 | 27 |
| 2NB-08 | NPT1/2＂X14 | G1/2＂X14 | 19.5 | 41 | 22 | 27 |
| 2NB-08-06 | NPT1/2＂X14 | G3/8＂X19 | 19.5 | 39.5 | 24 | 22 |
| 2NB-08-12 | NPT1/2＂X14 | G3/4＂X14 | 19.5 | 44.5 | 27 | 32 |
| 2NB-12 | NPT3/4＂X14 | G3/4＂X14 | 19.5 | 44.5 | 30 | 32 |
| 2NB-12-16 | NPT3/4＂X14 | G1＂X11 | 19.5 | 46.5 | 32 | 41 |
| 2NB-16 | NPT1＂X11.5 | G1＂X11 | 25.5 | 52.5 | 36 | 41 |
| 2NB-16-20 | NPT1＂X11.5 | G1.1/4＂X11 | 25.5 | 59.5 | 41 | 50 |
| 2NB-20 | NPT1.1/4＂X11.5 | G1.1/4＂X11 | 26.5 | 60.4 | 46 | 50 |
| 2NB-24 | NPT1.1/2＂X11.5 | G1.1/2＂X11 | 27.5 | 62 | 50 | 55 |
| 2NB-32 | NPT2＂X11.5 | G2＂X11 | 27.5 | 65.4 | 65 | 70 |
