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​The manual butt welder has small size, simple operation and low price. In the work of steel welding, if the strength requirements are high, it must be polished, if the strength requirements are not high, it can be that the joints are less melted.

​The plastic pipe butt welders usually refers to the connection of Haval sleeves. For example, HDPE pressure pipes used in common gas pipes and water supply pipes are usually welded by electric heat fusion pipe fittings. Of course, there are also welding using heat fusion butt welding machines. When the pipe surface is damaged, the plastic extrusion welding gun is usually used as a repair tool, but it is limited to small repairs. After all, such pipes are usually pressure-bearing pipes and need to be safe and reliable.

​At present, the electrofusion welding machine for pipe fittings is mainly used for the electrofusion welding of pressure PE and PP pipes, while the electrofusion welding machine is mainly used for the electrofusion welding of non-pressure PE and PP straight or corrugated pipes.

​The electrofusion welding machine uses an effective constant power output, and the output current and the welding time can be set infinitely in a large range to meet the welding requirements of different electric heating bands.It is mainly used for electric melting welding of PE electric heating coils.

​The electrofusion welding machines are divided into AC and DC. The main difference in application fields is that AC welding machines are generally used in steel structure manufacturing units or general machinery or agricultural machinery manufacturing units. DC welding machine is mainly used for welding of pressure vessels, boilers, pipelines, or important structural manufacturing units.