QuickPurge® Your Large Diameter Pipes for Perfect Welds

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Purging large diameter pipework ready for welding can be expensive. Without restricting the volume, there is a high cost involved in inert gas used and time spent waiting for the oxygen level to reach a level low enough for welding to begin.

Weld Purging experts Huntingdon Fusion Techniques HFT® have designed and developed QuickPurge® Systems to dramatically reduce the space that needs to be purged, for pipes as large as 88” (2,235 mm).

HFT® was recently tasked with a special project in the USA, where pipes with 90o elbows, up to 54” (1,371 mm) ø were required to be purged.

Georgia Gascoyne, CEO at HFT® said: “We manufactured QuickPurge® Systems with longer sleeves so that they could easily be pulled around the sharp bends in the pipework.”

“The welders were previously spending half a day purging the pipe, which was costing a considerable amount in time and gas costs. With the help of QuickPurge® the pipe was purged down to 100 ppm ready for welding in just 55 minutes. The dramatic savings in time and argon paid for the system in just one weld!”

QuickPurge® has an additional gas input line, which means extra purge gas can be introduced for applications such as this, thereby achieving a much faster purge, down to the lowest oxygen levels, which is perfect for larger diameter pipes where quality welds are required.

High speed pipe purging system QuickPurge® is leading the way in the field of purging tube, pipe and pipeline joints over 6” diameter, where oxygen levels are required to be as low as 100 parts per million (ppm) or less.

Huntingdon Fusion Techniques, HFT®’’s innovative design of the QuickPurge® System means that zero colour welds will be achieved and there will be no loss of corrosion resistance caused by oxidation.

Using IntaCal® combined with the integrated PurgeGate® device makes it possible to safely inflate the dams with argon gas, for purging the space between the dams where the weld joint is located. With PurgeGate®, burst dams are prevented in the event of undue pressure increase or accidental flow increase of the purging gas.

All systems are manufactured as standard with a hose for connecting a Weld Purge Monitor® to, which can read oxygen levels down to as low as 10 ppm depending on the model.

Materials used in the manufacture of QuickPurge® are such that they are resistant to the higher weld temperatures present and they don't outgas, preventing weld contamination.

For pre-heated chrome steel and high strength stainless steel pipe joints, HFT® design and manufactures the HotPurge® range for a higher and longer temperature exposure.

 

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Huntingdon Fusion Techniques HFT® have a Worldwide Exclusive Distributor Network.

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Huntingdon Fusion Techniques HFT® are proud members of:

American Welding Society International Tube Association The Welding Institue Welding World


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