- Prevents fittings from loosening under slight pressure.
- Excellent seal surface roundness and precision make it suitable for high-vacuum use.
- Highly precise threads allow smooth opening and closing with a light touch.
- The core rod is replaceable for easy maintenance.
- Glass tube L tolerance is ±5 mm.
- Fittings are not included.
| code | Model | Branch diameter | L dimension |
| 7026-01 | GTV-8Y-G | 8×5 | 80 |
| 7026-02 | GTV-10Y-G | 10×7 | |
| 7026-03 | GTV-12Y-G | 12×9 | |
| 7026-04 | GTV-19Y-G | 19×14 | 90 |












