Nitrogen for arc welding
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Nitrogen for use in arc welding

 

Gas-shielded welding is a form of arc welding and is carried out in an artificial atmosphere composed of a shielding gas (nitrogen). In this context, the aim is to protect the arc and the molten pool from the oxygen that is found in the natural atmosphere. Unwanted chemical reactions with oxygen include corrosion and combustion. The aim is to avoid reactions of this type. High-quality gas protection composed of nitrogen is important, particularly for maintaining the product quality of steel, aluminium, magnesium or titanium. An inadequate protective atmosphere can lead to colour changes, pores or rust on the materials.

In addition to its use as a shielding gas, nitrogen also serves as an auxiliary gas with which the quality of the weld seam and arc stability can be improved.

With our nitrogen generators, we supply high quality solutions for the stationary and mobile production of nitrogen for different applications, including for low volume requirements.

Nitrogen generator, nitrogen

Generators

Our nitrogen generators produce nitrogen with a purity of up to 6.0 with residual oxygene amounting to 1.0 ppm and quantities from 0,50 - 10.000,00 Nm³/h.

Nitrogen generator operated by employees / nitrogen

Technology

The separation of nitrogen molecules from the oxygen molecules is achieved by means of Pressure Swing Adsorption (PSA) Technology.

 

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