What is the welding temperature of PE pipe?

For hot melt welding of PE (polyethylene) pipes, the temperature usually needs to be controlled between 200 ° C and 230 ° C. This temperature range is an important parameter to ensure the quality of welding.

in the temperature range of 200 ° C to 230 ° C, the PE material can be fully melted. When the PE pipe is heated to this temperature, the molecular chain activity of the pipe intensifies, the molecular structure that was originally closely arranged becomes loose, and the material gradually changes from a solid state to a molten state. In this state, after the pipe and the pipe or the pipe and the pipe fittings come into contact, the molecules can diffuse and entangle with each other to achieve good fusion. For example, in a large municipal water supply pipeline project in Wuhan, the construction team strictly controlled the hot-melt welding temperature of PE pipes at 210 ° C - 220 ° C. After welding is completed, after professional testing, the strength of the connection is almost the same as that of the pipe itself, effectively ensuring the stable operation of the water supply system. If the welding temperature is lower than 200 ° C, the PE material cannot be fully melted, the combination between the pipe and the pipe fittings is not close enough, and it is prone to gaps, resulting in water leakage, air leakage and other problems; and when the temperature exceeds 230 ° C, the PE material may decompose due to superheat, resulting in carbonization, which not only affects the strength of the welded part, but also reduces the overall performance of the pipe.

different specifications and different types of PE pipes, there are subtle differences in the temperature requirements during welding. Generally speaking, PE pipes with larger pipe diameters and thicker pipe walls need to be melted due to the large number of materials, and the heat loss is relatively fast during the welding process. Therefore, the temperature can be appropriately raised during welding and controlled at 220 ° C - 230 ° C. For PE pipes with smaller pipe diameters and thinner pipe walls, the welding temperature can be controlled at 200 ° C - 210 ° C in order to avoid pipe deformation due to excessive temperature. In addition, some special-purpose PE pipes, such as PE pipes with special additives added, need to be adjusted according to the product description.

In Hubei region, choosing professional PE pipe manufacturers and high-quality welding equipment is the key to ensuring welding quality. As a well-known Wuhan PE pipe manufacturer and Hubei PE pipe manufacturer in Hubei, Hubei AD Building Materials Co., Ltd. not only provides reliable quality PE pipe products, but also provides customers with professional welding technical guidance and high-quality welding equipment. The PE pipes produced by the company strictly follow the national standards. From raw material procurement to production and processing, every link is strictly controlled to ensure that the pipe performance is stable and suitable for operation in the standard hot melt welding temperature range. At the same time, the company has a professional technical team, which can provide personalized welding solutions according to the different needs of customers. Whether it is a large-scale gas pipeline laying project in Jingzhou or a rural drinking water safety project in Xiantao, if you have PE pipe procurement, welding technical consultation and other needs, please call 17399989993, Hubei AD Building Materials Co., Ltd. will serve you wholeheartedly.

PE pipe welding temperature is usually between 200 ℃ - 230 ℃, master this key temperature, combine the characteristics of different PE pipes to operate, and choose reliable manufacturers and services to ensure that PE pipes are firmly connected in Jingzhou, Xiantao and other places in Hubei.