产品介绍：
产品说明
一般描述
The J. Young high-vacuum PTFE valve helps in controlling the atmosphere when using air-sensitive materials.
Features:
- PTFE piston with unique PTFE-sheathed elastomer O-ring seals
- Grease-free glass-to-PTFE seals
- High-vacuum to 10-6 torr
产品性质
| manufacturer/tradename | J. Young |
| 侧臂外径 | 7 mm |
| 活塞尺寸 | 4 mm |
