In order to accurately read the residual oxygen level inside a tube, pipe, welding chamber or enclosure during the act of purging, weld purging experts Huntingdon Fusion Techniques (HFT) has designed ...
BURRY POINT, U.K. — Inert gas welding requires the removal of oxygen from the welding zone before, during, and after welding. This is known as weld purging as is crucial during the welding of ...
If oxygen falls below 19.5 percent or increases above 23.5 percent, a dangerous, hazardous situation for employees exists, according to the Occupational Safety and Health Administration (OSHA). Oxygen ...
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