Many inflatable Tube and Pipe Purging Systems are at risk of overinflating during the weld purging process.
As the heat of welding rises, the inflatable dams can expand beyond their safe limits and in addition, other personnel working near the welding area can vary the gas flow or pressure at random causing over inflation and bursting.
Once a burst occurs, the purge is lost and the weld will immediately oxidise in the presence of incoming air. The welder will then have to cease welding, grind out the oxidation and then start the whole process again.
To prevent such bursts, Huntingdon Fusion Techniques HFT® has designed and now manufactures a PurgeGate® Valve System in order to prevent any over-pressurising of Inflatable Tube and Pipe Purging Systems.
These devices, which are fitted as standard on the HotPurge® and QuickPurge® Systems (PurgeGate®), are offered as accessories for the PurgElite® and any other manufacturers versions of Inflatable Tube and Pipe Purging Systems.
They have an easy push fit connection and are simply, plug and play. The PurgeGate® Valves fit all system sizes, from 1” to 96” and can be moved from system to system.
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