All Metal

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./p>

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: 1x10-9torr
  • Helium Leak Test: 1x10-9torr, cc/sec, He
  • Bake Temperature: 400ºC (open), 300ºC (close)
  • Material: Stainless Steel body
  • Seal: Copper Gasket

Stainless All-Metal Valve

Port Size OD A B C D
CF1.33 19.05 38.10 121.20 131.00 38.10
CF2.75 38.10 62.50 170.00 187.00 54.00
CF4.50 63.50 105.00 266.00 294.00 76.20