Blogs - Page 24 - Huntingdon Fusion Techniques HFT®

Weld Purge Dams for Dished Ends and Short Pipes

Weld Purging (back purging) describes the removal of oxygen from the vicinity of a weld before, during and after welding. For pipe and tank welding of stainless steels, titanium and chrome steels, it is good practice to restrict the area required to be purged, usually with an inflatable tandem weld purging system. For the purging […]

The Blacks win against local rivals

7 try away victory for The Blacks as they pile the pressure on their promotion rivals. New Dock Stars 24 – 45 Burry Port. The Blacks travelled the short distance to Llanelli to take on New Dock Stars for the third time this season and came away with a hat-trick of wins to close the […]

Oxygen Analyzer for Weld Purging Technology

Oxygen Analyzer developed for the welding industry. In 1975, Huntingdon Fusion Techniques HFT® was approached by British Nuclear Fuels Limited (BNFL) to provide them with an oxygen analyzer that was more suitable for the welding industry. Until that time, oxygen monitors were large, expensive and bulky instruments, especially those that would give a reading that would […]

Inert Gas Welding Monitor

Prior to inert gas welding (weld purging), the oxygen content must be reduced (purged) to a level as low as 100 ppm for stainless steels and as low as 50 ppm for zirconium and titanium. When oxygen levels are too high, the parent materials will suffer from a loss of corrosion resistance and metallurgical imperfections. […]

Huntingdon Fusion Techniques reflects on a successful 2017

2017 was another very successful year here at Huntingdon Fusion Techniques HFT®. Here are some of our highlights…. We had a huge year in regards to product development here at Huntingdon Fusion Techniques, with the release of our updated range of Weld Purge Monitors®. The PurgEye® 200, Nano, 300 Plus, Desk and 1000 all received […]

Freeze it and make your pipe repair easy with Accu-Freeze™

Repairs and maintenance work required on tubes and pipes can cause unforeseen costs, with entire systems having to be drained down to ensure no liquids are present when repairs are made. To dramatically reduce operating costs, the Pipestoppers® Division of Huntingdon Fusion Techniques HFT® introduced Accu-Freeze™, the liquid nitrogen (LN2) Pipe Freezing System to create […]

The Experts in Purging while Welding

Specialising in Weld Purging, Huntingdon Fusion Techniques HFT® remain at the forefront of Weld Purging (purging in welding) Technology. What is ‘Weld Purging’ (purging in welding)? When metals such as stainless steel, titanium and zirconium are welded in contact with air, the metals’ metallic elements may combine with oxygen and nitrogen to form undesirable compounds. […]

Weld Backing Tape® saves grinding time and costs

When the undersides of welds are ragged and uneven, they often need grinding to smooth them out. This costs labour time and money for grinding materials. The use of Argweld® fiberglass Backing Tape® can save these costs by leaving a smooth fully penetrating, clean weld that needs no further work. Weld Purging Experts Huntingdon Fusion […]

Construction Site Weld Purge Monitor®

There are considerable challenges when working on constructions sites, particularly when the conditions are in the open air. Taking into account global conditions, there might be extreme heat or extreme cold, sandstorms, dust storms, rain storms and winds. All conditions have their own difficulties for expensive equipment and quality results. Because of the extreme variations […]

Zero colour oxide free welds for manual welders

Titanium, stainless steel and other corrosion resistant materials need to be shielded with an inert gas while welding takes place, in order to protect the molten weld pool from combining with oxygen and nitrogen from the surrounding air. Without this protection, welds will oxidise and can form metallurgical defects that may cause weld joint failure. […]

TIG (GTAW) welders need certainty with their welding equipment

One key to a good TIG weld is the electrode. At this time, welders are going through a period of uncertainty as far as the information and circumstances arising with respect to their electrodes. Until now, the best scientifically confirmed electrode was made with Tungsten, with a small addition of a material called thorium oxide, […]

Faster pipe purging with QuickPurge®

When stainless steel, duplex steels or titanium pipes need to be welded in the process industries, they generally have to be purged of air and water vapour, in order to obtain the quality of weld demanded by such industries. Even today, more than 40 years after high quality pipe weld systems were developed, welders are […]

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