The electrofusion welding is just another traditional fusion system; nonetheless it presents a radical difference. It is distinguished by integrating an inner electric heating element connection. That means that the difference is the technique through the one the heat is implemented. While speaking about electrofusion, we can distinguish between two techniques, through overlap and fitting. Fusion fittings refer to pipe fusion through a specific fitting for this procedure. It is carried out by applying heat and joining the outer pipe edges during a specific period of time. While applying the electrical power, the inner fitting surface is melted with the pipe outer one through heat. As polyethylene fusion is one of the components, these become part of a single piece. The procedure comprise of the following phases: 1.Scrape by using a scraper from the polyethylene surface which will be joined to the assembly. It is vital that the scraped surfaces are not contaminated. 2.Clean the pipe surface where the joint is going to be carried out with electrofusion welder along with disposable absorbent paper and alignment at the ends. 3.Put the pipes, holding them in the hand press in order to prevent them from moving. It should be ensured that the assembly is centered on the edges of the pipe surface, and also it is vital not to touch the pipe with your hands as the areas can be polluted by oils and body sweating, affecting the welding performance. 4.Decide insertion depth of the pipe with respect to the fitting, for instance, pointing out the pipe at the same length. To get the best possible outcomes, it is suggested to place pressures closest possible to the assembly. 5.Connect the electro fusion fittings and elements to the control box from the assembly and to the battery.
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January 2018
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