Purging

Purging

The removal of any unwanted gas, such as oxygen, from the purge chamber. Typically, a pure inert gas, such as Argon, Argon/Helium etc. is used. The inert gas fills the purge chamber while oxygen exits. Eliminating oxygen will avoid any imperfections in the weld, including air bubbles that can create cracks and other flaws in the weld.

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