PIPE Ltd manufacture an extensive range of backing gas systems for the purging of stainless steel and other exotic materials prior to welding, where creating the perfect weld environment is of the utmost importance. From the inflatable purge bag system and expanding test plugs(pipe stoppers) to the new innovations in purging techniques, the Rapid Purge, and the Silicone Double Seal System, designed to dramatically reduce gas usage and purging times, used in conjunction with our oxygen monitors, our range of purging equipment will save you time and money.