When it comes to pipe purging, it is not desirable, nor cost effective to simply pour inert gas into the pipe assembly in the hope that a good purge is achieved. A tough, leak tight purging barrier is required.
To keep purging costs down, Weld Purging Experts, Huntingdon Fusion Techniques HFT® have designed and developed Weld Purge Film®, a water-soluble polyvinyl acetate purging barrier for a variety of pipe sizes.
Luke Keane, Technical Sales Manager for Huntingdon Fusion Techniques HFT® said: “It is so easy to cut a circle of water-soluble film and place it a short distance away from the root gap before welding, pasting in place with the Argweld® Water Soluble Super Adhesive® to ensure a tough leak tight barrier, keeping the purging volume to the barest minimum. Argweld® Weld Purge Film® offers users the opportunity to make significant economies by minimising gas usage and cutting down dramatically on time taken to make a purge, whilst at the same time, achieving a desirably low oxygen level.”
After welding, the water-soluble film can be dissolved and washed away by simply flushing of the pipe interior. Previously, pipe welders might have used water-soluble paper, but as paper contains a high percentage of water which 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.
Made in Wales ‘Manufacturer of the Year’ and Welsh Business Awards – Exporter of the Year.
Huntingdon Fusion Techniques HFT® have a Worldwide Exclusive Distributor Network.
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