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Description:Electro fusion Coupler Product information: Advantages: The pipe fittings are made of high-quality raw materials. Hidden heating wire is firm and it improves the ability of resistance external force. At the same time, it avoids short-circuit of heating wire caused by the extrusion from the PE materials when it is heated. Sight hole can explain the situation of the welding directly. The enough length of the fittings ensures the no bending stress. The bar code includes the best welding parameter and supplies the convenient method of welding. The series of the electric heat melt pipe fittings accords with the international standard, having the variant kinds and specification, the rang of the products are expanding constantly. The theory of connection The fittings with the heating unit, when the heating unit withstands the control current for a fixed time, the PE materials in connections of the pipes and pipe fittings is heated and melted, and then it is formed firm, suitable and permanent interface with leakage protection. Characteristic: 1. It is easy to be connected, shorten the construction time. 2. It is easy to be installed and be constructed in the narrow construction environment. 3. Dependability is high, controlling the time of the electric current and cooling automatically. 4. It is used by the gas company extensively and is one of the safest pipe fittings connection ways in the world.