It is not always practical to use inflatable tube and pipe purging systems for a one off purge – so UK-based weld purging innovator, Huntingdon Fusion Techniques® (HFT), has unveiled a different technique to get the job done.
Argweld® Weld Purge FilmTM kits contain completely water-soluble materials, which can be used for open assemblies and closing welds. The film produces an impenetrable purge barrier that washes away when hydrostatically testing the pipe or flushing out.
It aims to save costs by minimising gas usage, namely argon (Ar), and reducing operating times. After welding, the film is dissolved down to molecular level, leaving no trace.
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