All Metal PoppetValves
All Metal Valve uses oxygen-free copper gasket as dynamic seal to press against a conical knife edge on the opposing part, thus forming an all metal seal. Copper gasket has a life of few hundred uses. Gasket replacement is easily done by a screw driver.
Features:
- The Cu gasket is easily replaced by a screw driver; removable from side port
- Bellows stem seal
- A calibrated dial for closure is provided on the top of the valve body
- Must lubricate the drive shaft after maximum high temperature bake
- Properly lubricate the drive shaft to prevent wearing the thread
- Orientation into any position
- Vacuum Range: 1×10-9torr
- Helium Leak Test: 1×10-9torr, cc/sec, He
- Bake Temperature: 400ºC (open), 300ºC (close)
- Material: Stainless Steel body
- Seal: Copper Gasket
Stainless All-Metal Valve
* Subject to change without notice