Plain pipes are jointed by means of electrofusion (EF) fitting incorporating an electrical heating coil which when electrically activated for the appropriate time by EF welding machine, melts the surface of the pipe & fitting together resulting in complete fusion of the pipe and EF fitting . There is a barcode label on each of the EFfittings. This label includes fusion parameters (such as welding voltage and duration). Fusion parameters are transferred to the machine from this label either manually or by using the barcode reader.
Keywords: ef, electrofusion, tega, welding, machine, fittings, pvc
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