Inert gas purging is essential when welding metal tubes made from titanium, as well as ultra high purity stainless steel joints and just as important when welding those less critical stainless steel and copper nickel pipe joints, in order to achieve non-oxidised, zero colour welds. PurgExtra™ is the latest weld purging product released by Huntingdon Fusion Techniques HFT® for the purging of tube and pipe joints from 1 – 24” diameter. This range compliments the PurgElite® series, but in addition has extra purge gas inlets and corresponding exhaust ports. The PurgExtra™ System allows the operator to purge at recommended rates initially and then when it would be an advantage, to introduce additional purge gas to create the desired results.
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