Storage and feeding assembly for a welding wire for a welding or brazing plant

A storage and feeding assembly for a welding wire for a welding or brazing system, comprising:

• a drum in which the welding wire wound in coils is stored, forming a bundle of wire, the drum extending about a drum axis between a resting base and an open upper end;
• a wire handling device positioned between the drum and the apparatus and suitable for extracting the welding wire from the drum to feed the welding wire to the apparatus;
• a lid placed above the drum and comprising a top in which an outlet passage for the welding wire is provided;
• and
• a spacer suitable for being releasably positioned between the upper end of the drum and the lid so as to act as an extension for the drum;
• wherein a ratio between a longitudinal dimension of the drum and a longitudinal dimension of the bundle ranges between 70% and 100%.