New Inflatable Tube and Pipe Weld Purging System

Posted by Eric Haun
Thursday, August 20, 2015
Image: HFT

When welding tubes and pipes such as stainless, duplex, chrome etc., it is important to purge the internal bore with an inert gas to prevent oxidization, discoloration and to ensure a good internal weld profile.

 
Huntingdon Fusion Techniques (HFT) announced it has introduced PurgElite, a range of tube and pipe purging systems to achieve a clean, oxide free, zero color weld.
 
These systems are manufactured to suit pipe diameters from 25-600 mm and are made of low outgassing rate materials, which gives them the ability to produce high quality welds in tubing and piping.
 
The new range includes spinal tube that is resistant to hot metal up to 300oC and is super flexible to allow movement around the tightest of bends. The systems feature IntaCal, apurge gas feed device with no complicated valve to set, and RootGlo, a centrepiece glow positioning indicator allowing the systems to be positioned accurately inside the tube or pipe. Quick connect/disconnect fittings with collets and ‘O’ ring seals for gas tight sealing, fitted with ‘Anti-Release’ circlip to prevent parts accidentally separating inside pipes. There are no metal parts to scratch the internal pipe surface.
 
Heat Resistant Covers are available as an accessory to protect the inflatable dams, which are held on with ties and there are holes provided for the argon inlet and exhaust. The Heat Resistant Covers have a temperature rating of up to 300oC. 
  • Image: HFT

    Image: HFT

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