Differences among filters and how to determine filter class
Christian Wopen
7 years ago
The filtration efficiency is classified into one of three welding fume filtration classes. High-grade steel alloys can be safely welded only with the right filter. The welding fume filtration class—the so-called W-classes—let you read the filter performance on the label. … >> more
Ventilation: more than an extension of spot extraction
Christian Wopen
7 years ago
Whether a displacement or a circulation system: ventilation is more than just a supplement to spot extraction. It also secures the occupational safety for surrounding work areas. For occupational safety during welding, the following actually applies: the thicker the welding … >> more