Titanium, stainless steel and other corrosion resistant materials are widely used for pipework. It is therefore necessary to ensure that a reduction in corrosion resistance does not occur during welding when elements are lost due to oxidation. The joint can be protected against oxidation using a technique called Weld Purging.
Huntingdon Fusion Techniques HFT® have designed and developed Weld Purge Film®, a water-soluble purging barrier for a variety of pipe sizes, which keeps Weld Purging costs low.
Ron Sewell, Chairman for HFT® said: “Argweld® Weld Purge Film® will save operators large costs by minimising gas usage and cutting down dramatically on time taken to make a purge. It is also ideal for closing welds where a tandem Weld Purging System may not be suitable. After welding, the water-soluble film is simply washed away during the standard hydrotest cycle or by water rinsing of the pipe interior.
Previously, pipe welders might have used water-soluble paper, but as paper contains a high percentage of water which is undesirable to have near a weld, the Argweld® Weld Purge Film® is a tremendous new benefit for Weld Purging.
These affordable kits will save operators high costs by minimising gas usage, reducing purge time and eliminating the need for cleaning. Weld Purge Film® Kits have been designed and developed by HFT®, as a complete accessory to manufacture dams that offer effective shielding and stability.
Huntingdon Fusion Techniques HFT® have a Worldwide Exclusive Distributor Network.
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