News

Technical Presentation at the World Stainless Steel Duplex Seminar

Duplex-Stresa-SS-Conference-Georgia-WEBOur visit to World Duplex Duplex Stainless Steel Show in Stresa, Italy was well received.

At the end of September, our CEO, Georgia Gascoyne, visited the World Duplex Seminar in Stresa, Italy.

The main purpose was to present a Technical Paper by experts of Huntingdon Fusion Techniques HFT® on the subject of Weld Purging of Duplex Steels.

Reading was accompanied by a Power Point Presentation in the form of a slide show highlighting the main points of the Technical Paper.

Final questions at the end about purge gas mixtures for Duplex Welding created a lively discussion.

Visitors and delegates to the Conference were far reaching with some large organisations participating and in attendance.

Well done Georgia for undertaking and completing this visit with great success.  

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Low Cost Pipe Weld Purging System (for Purging Hot Sections)

04W-HotPurgePreHeatedPipeworkPurgeSystemsWhen welding pipes and tubes that need to go through high temperature thermal cycles before, during and after welding, it is usually important to purge the insides with an inert gas, to prevent oxidation and scaling and to ensure a good internal weld profile.

In many cases, there is very little room to manoeuvre weld purging systems, so that they are protected from the high temperatures associated with the pre- and post-weld heating processes and the operators have to purchase the more sophisticated heat protected systems such as the HFT® HotPurge® models.

However, in some cases, there can be sufficient length in the tube or pipe structure, that a normal Weld Purging System can be used.

Huntingdon Fusion Techniques HFT® has been able to use its development team to manufacture a variety of different Weld Purging Systems for such tubes and pipes, where the the inflatable dams can be kept outside of the heated areas.

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A safe alternative Tungsten Electrode to the market place

MultiStrikes Tungsten ElectrodesA safe alternative Tungsten Electrode to the market place

A leading welder training institute, ITCA, has congratulated HFT® for bringing a safe alternative Tungsten Electrode to the market place.

Coshh, the Law that requires Companies to identify materials that can be harmful to health, has provided guidelines about thoriated (red tipped) tungsten electrodes, which doesn't make very cheerful reading, according to Colin Sherrifs, one of the members of ITCA.

Colin goes on to say "I have never seen any health warnings on Tungsten Electrode packaging and I think they should be taken off the shelves altogether".

He finishes by saying "Well done HFT® for producing a safe alternative".

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Weld Purge Systems instead of Foam Dams

QuickPurge Pipe Weld Purge SystemReasons for using quality designed and manufactured Pipe Weld Purge Systems instead of Foam Dams

A very interesting quotation from one of our Weld Purging Best Practices Group members has been posted.

This raises additional reasons for not using foam.

Colin's comments are:

"Some pipe welding companies I've worked for buy in sheets of thick foam and the dams then have to be hand made (sometimes badly)."

"The rubber seal type always give a better seal and are more durable to heat." "Burning foam dams release fumes that are not healthy for a high purity weld or the welder. "

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Weld Purging Copper Nickel (Cunifer) Pipework

09W WeldTrailingShieldsTo Understand Weld Purging & to Obtain Clean Weld Roots

The use of Copper Nickel is still widespread in marine applications, where the corrosion resistant properties of this alloy are valuable.

Copper Nickel pipework on submarines, other military vessels, oil production platforms and other ships need many welded joints.

One of the key applications is in water sprinkler systems where the weld quality is as critical as it might be in any marine application.

Correct weld purging is a key factor in welding Copper Nickel pipework.

Back purge gas type tends to be optional subject to experience.

See further information under 'Tip' 2. 

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CEO of Huntingdon Fusion Techniques, HFT® wins Award.

Georgia GascoyneAs reported earlier, HFT®, together with Forgeweld Limited recently joined in a welding seminar at Doosan Babcock, under the auspices of the TWI Midlands Branch, to make a technical presentation about "Weld Purging".

The presentation was received very well because of the large number of interested parties in this subject, based in the Midlands area.

After many TWI Branch presentations carried out by HFT® personnel, this is the first time such an award has been given.

Thank you Kevin of Forgeweld, as well as the TWI midlands branch for putting on such a great event and thank you Doosan Babcock for being great hosts.

HFT Sponsored Burry Port Rugby Club wins Swalec Championship Title

burryport champions01Today Burry Port RFC lifted the SWALEC Welsh Championship Division 6 West trophy (Saturday 26th April 2014) after beating Myndd Y Garreg by 26 points.

Having sealed their title triumph with a 43-17 home win over Myndd y Garreg RFC, Burry Port carried off the SWALEC Championship Trophy after winning all but one of the league games that they've played this season.

Huntingdon Fusion Techniques HFT has been proud to have been associated with Burry Port RFC for some years so to see our sponsered club having this year's success is really gratifying.

We could not be more pleased for the club. 

After a rather turbulent season last year, the team was determined to have a more successful 2014 and following the appointment of new coach Gareth Gravell, who joined Burry Port from Neath RFC, the squad has gone from strength to strength.

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Weld Purge Monitors® are an Essential Tool for the Process Industry

PurgEye 200® Weld Purge Monitors® RechargeablePurgEye200 Weld Purge Monitor

Weld Purge Monitors® are an essential tool for the process Industry, with various models serving different levels of weld purge requirement.

There are applications that can be satisfied with Monitors measuring down to 100 ppm and..... for the higher specification industries such as Aerospace, Food and Drinks, Semi-conductor, Biofuels etc that need to achieve oxgyen levels down to 10 ppm there are other models.

One such Model has just been developed for the Process Industries and that is the PurgEye® 200 which is now rolling off the production lines partially to meet an order for 30 units from the Far East.

This is a hand held, rechargeable battery driven monitor that will read very accurately down to 10 ppm.

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Another Great Exhibition at the Techni-Show in Holland

Technishow01Another great exhibition. Huntingdon Fusion Techniques, HFT® participated in the 'Technishow' in Holland assisting our Exclusive Distributor, Pipeq Pipework Equipment.

Rob van der Heijden, Managing Director, Exclusive Distributor and Partner of Pipeq Pipework Equipment confirmed that this was his best show ever, indicating that indeed our long economic slow down maybe on the increase, as our own monthly figures are showing.

Rob went on to say that he took orders for various projects that he had been working on and that we can expect for orders from him imminently.

There were hundreds of visitors to the stand over the 3 days of the show causing our delegate from HQ, Luke Keane, to have to make hundreds of demonstrations of our PurgElite® and QuickPurge® II Pipe Purging Systems along with our PurgEye® 100 IP65 Rated Weld Purge Monitor®.

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Increase the Sensor Life significantly

S01W-PurgEye100-IP65-WeldPurgeMonitorYou may have noticed already that your spare or replacement PurgEye® 100 sensors are being shipped in new packaging.

This is a way to increase the sensor life significantly with this new storage method.

Spare sensors are packed at source inside a small sealed compartment to prevent oxygen from entering.

Once the tiny amount of oxygen inside the sealed volume has been consumed, a partial vacuum has been created just leaving the residual atmospheric nitrogen behind that protects the sensor and leaves it inert until the package is opened for use.

In this way, the average life has been raised close to 20 months or more.

PurgEye® 100 Weld Purge Monitor® not only have a "low sensor" warning signal, which normal oxygen monitors do not have, but you know that when your replacement sensor arrives that it will last much longer than any other oxygen monitors.

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HFT® visits Partners in the Far East

Georgia Gascoyne HFT to LeedenHuntingdon Fusion Techniques HFT® Visits Close Partners

Our CEO being welcomed by 3 of the Executives at our South East Asian Distributor based in Singapore.

Photograph, from left to right, we can see Jason Tan, Adrian Hong, Georgia Gascoyne and Vincent Seow.

Georgia will be travelling onto China to make a number of site visits to key customers of HFT.

Distributor training will be carried out in all locations so that representatives in our Distributor network are up to date with our current range of products.

Huntingdon Fusion Techniques HFT® is constantly designing and updating its products with innovative, scientific, proven changes as demanded and required by the end user in the welding market place. We always listen to our customers!

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HotPurge® Pipe Purging Systems for Pre-Heated Pipe Welding

HotPurge Pre Heated Pipework Purge SystemsThick wall chrome steel pipe joints, as used in the power industry for high pressure high strength pipe work, need to be pre-heated for welding and probably need a post weld heat treatment too.

Weld joints of this nature need to be purged of oxygen and welded in an inert gas atmosphere, to prevent oxidation, slag formation etc., that leads to loss of corrosion resistance and undesirable change to the metallurgy.

With the high temperatures and length of time at temperature needed in the pre-heat, weld and post heat treat cycles, most weld purging systems are unsuitable.

However, Huntingdon Fusion Techniques, HFT®, has now developed "HotPurge®" Pipe Purging Systems, for use up to 300ºC (572ºF) for 24 hours. (The material used is rated up to 700ºC (1,292ºF)

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