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  • Adapters
  • CF Flanges and Fittings
  • High Vacuum Bellows SS Hoses
  • Valves
  • Weld Tubes
  • ISO Flanges and Fittings
  • KF (QF) Flanges and Fittings
  • Alcatel Vacuum Pump Parts
  • Leybold Vacuum Pump Parts
  • Pfeiffer Vacuum Pump Parts
  • Welch Vacuum Pump Parts
  • Greases – Supplies
  • Vacuum Rated Hoses
  • Universities Only
  • Pressure Measurement Vacuum
  • Custom Vacuum Components / Vented Screws
  • GS Series Ball Valves
  • Super Sale Items
  • 316 Stainless Steel Components
  • BriskHeat®
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Vacuum Suitable Welding

A virtual leak is a pocket of gas physically trapped within the weld with only a small, very low conductance, path from which to evacuate. Learn about common examples of virtual leaks and what causes them.

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