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Planttech Engineering GmbH - Headquarters
Louis-Berger-Weg 7-9
59379 Selm-Bork

phone: +49 (0) 25 92 / 91 505-0

mail: mail(AT)planttech.de

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Glossary:

Residual oxygen measurement

With tungsten inert gas welding, both the weld pool and the heat-affected zone must be protected from the ambient air. For this purpose, the ambient air is displaced by inert gases based on argon or nitrogen (forming gas). To ensure that all oxygen has been displaced from the interior of the pipeline by the forming gas, this is monitored with a residual oxygen meter at the exit point.

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