TWECO Diffusers
Tweco diffusers for No.2, No.4 and No.5 MIG guns — gas diffusers in wire sizes from 0.6 to 2.8 mm, including Supra XT and Eliminator patterns.
Products
Gas diffusers for Tweco-pattern guns: genuine Tweco standard and wire-type diffusers for No.2 and No.5, Cigweld diffusers for the No.2, No.4, No.5 and Supra XT in wire sizes from 0.6 mm right up to 2.8 mm, Eliminator diffusers for 250 A adjustable nozzles, and adjustable insulators for the No.4.
When should a MIG gas diffuser be replaced?
When the gas ports clog with spatter or the insulator chars, shielding gas stops flowing evenly around the wire and porosity follows. If cleaning the nozzle does not fix patchy coverage, swap the diffuser — they are listed here by gun series and wire size, so match both to your setup.
WeldCo keeps the popular Tweco diffuser sizes moving through Melbourne and Adelaide for exactly this kind of quick fix.
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