Metals that are classed as ‘reactive’ (titanium, zirconium and nickel alloys) are sensitive to oxygen when heated. When welding these metals, the oxygen must be purged from the welding zone, down to as low as 10 parts per million (ppm). Weld Purging in this environment will avoid discolouration of the weld and heat affected zone and limit oxidation that could lead to a loss of metals’ corrosion resistant properties.
Welding in an atmosphere of 40 ppm or less will help to guarantee the greatest weld joint strengths and the highest resistance to corrosion. Therefore monitoring the oxygen content before, during and after welding is crucial.
With restricted budgets in mind, Huntingdon Fusion Techniques HFT® have designed and developed the low cost entry level PurgEye® Nano Weld Purge Monitor®.
Ron Sewell, Chairman for HFT® said: “The PurgEye® Nano is one of HFT®’s most affordable monitors measuring accurately to 10 ppm, ensuring that such low oxygen levels can be measured where only lower budgets are available.”
The PurgEye® Nano has been developed for weld purging where data logging, alarms and machine control are not necessarily required. This top class instrument is small, lightweight and inexpensive. Developed with a unique long life sensor that has a warm up time under 60 seconds.
With leak-tight connectors for weld purge hoses, the PurgEye® Nano can be used with optional accessory hand pump and gas sampling probe. It can be used to check purge gas quality from the main source and at the exhaust end of a purging system, as well as to find air leaks in purging hose connections anywhere in a system.
HFT® has a Family Range of PurgEye® Weld Purge Monitors® for every application. The range includes hand held, battery operated monitors and mains powered monitors, which can read oxygen levels from atmospheric concentrate, right down to 1 ppm.
Ron continues: “All of Huntingdon Fusion Techniques HFT®’s Weld Purge Monitors® and Inflatable Tube, Pipe and Pipeline Weld Purging Systems as well as our inflatable welding enclosures are manufactured in the UK. We do not sacrifice on quality. We guarantee to help welders achieve zero colour welds, time and time again.”
As the major international authority on weld purging, Huntingdon Fusion Techniques HFT® provide a very comprehensive technical support system and in addition, they have a worldwide Exclusive Distributor network which can be found at www.huntingdonfusion.com.
Huntingdon Fusion Techniques HFT® have a Worldwide Exclusive Distributor network.
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