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Viewport Weld Stubs

Part Number: VPQ-250

  • Standard windows made with borosilicate glass or quartz
  • Specialized materials including sapphire also available
  • Viewport shutters keep the glass contamination free
  • Use our Add-a-Doors to create your own system load lock
  • Contact us at 800-824-4166 if you can't find exactly what you need
2.5" Viewport Weld Stub, Fused Quartz
Technical Resources
  • Viewport Type: Viewport Weld Stub
  • Flange Size / Type: DN 63 Tube
  • Viewport Material: Fused silica (Quartz)
  • Flange Material: 304 Stainless
  • Vacuum Range: 1 · 10-9 mbar to 1 bar (high vacuum)
  • Temperature Range: -20 °C to 200 °C
  • Weight: 8 lbs
Imperial Units
Dim A: 2.37"
Dim B: 2.88"
Dim C: 2.50"

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