![]() The heating element is necessary for heating the outer pipe and inner fitting diameter. On heating element socket welding, pipe and fittings are fused overlapping and without application of welding fillers. ![]() The following fusion techniques are applied for hot and cold potable water supplies: Two elements of the same material are connected directly without adding any means of connection. In the field of plastic welding is a homogenous connection of two smilar materials. There is no better way to join pipes and fittings together. However it’s done, good heat fusion connections will outlast the piping system, reduce maintenance costs, conserve water, and prevent damage to surrounding building parts. The heat for fusion can also come from an embedded electrical coil, like the kind used for electrofusion. There are many different styles of contact heat fusion, including socket fusion, outlet fusion, and butt welding. Heat fusion requires a direct-contact heat source for fast, consistent results. The heat fusion process takes just a few seconds to make a connection in smaller diameters and only minutes for larger sizes. The fused material has the same strength as the pipe wall, so there is no path for leaks or blowouts. As the PP-R molecules cool, they bind with each other and turn into one piece, the way they would during extrusion or molding. When heated, Aquatherm’s PP-R thermoplastic material changes to a “melt” state where two pieces can be easily joined together. Simply put, heat fusion combines two parts into one. For video examples, click the drop down above.
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