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In PE pipe butt fusion welding, the heating plate temperature is one of the key factors that affects welding quality. Many operators are used to setting the heating plate temperature at 220°C. However, in actual field welding, PE100 and PE80 pipes do not always follow the same temperature setting principle.According to the general welding practice of DVS 2207-1 for PE-HD pipes, the heated tool temperature is usually selected within the range of 200–220°C. For smaller wall thicknesses, a higher temperature is normally used. For larger wall thicknesses, a lower temperature is generally preferred. For PE100 pipes, the upper temperature range is usually selected. PE100 Pipes: Usually Around 220°C For PE100 pipes, the heating plate temperature is normally set at around 220°C.PE100 is a widely used high-performance polyethylene material for pressure piping systems. It offers good long-term strength and material stability. In the temperature recommendation curve based on DVS 2207-1, PE100 is generally shown at the upper temperature level, which is close to 220°C.However, one important point should not be ignored: the temperature shown on the thermostat display is usually the actual heating plate temperature, not simply the set temperature. Before welding, the operator should make sure that the heating plate surface temperature has stabilized and is within the required range. PE80 Pipes: Temperature Depends on Wall Thickness For PE80 pipes, the heating plate temperature should not be understood as a fixed 220°C setting. Instead, it should be selected according to the pipe wall thickness. A simplified way to understand the temperature trend is: Pipe Material Wall Thickness Condition Suggested Heating Plate Temperature PE80 Thin wall pipe Close to 220°C PE80 Medium wall thickness Around 205–215°C PE80 Thick wall pipe Close to 200°C PE100Most common wall thicknessesAround 220°C This table is intended to explain the general principle. For formal welding work, the final welding parameters should still follow the project specification, pipe manufacturer’s recommendations, and the applicable welding standard. Why Does PE80 Require a Lower Temperature for Thicker Pipes? This does not mean that thick-wall PE80 pipes require less heat. Instead, they require a more controlled and more uniform heating process.For thick-wall PE80 pipes, heat needs more time to penetrate into the pipe wall. If the heating plate temperature is too high, the pipe end surface may become over-melted while the inner part of the wall has not been heated sufficiently. In serious cases, excessive surface temperature may also lead to material degradation and unstable bead formation.That is why thick-wall PE80 pipes are usually welded with a lower heating plate temperature and a longer soaking time. This helps the pipe end form a more stable and uniform molten layer, reducing the risk of surface overheating and improving the reliability of the weld. A simple way to understand it is: Thin-wall pipe: higher temperature, shorter heating time.Thick-wall pipe: lower temperature, longer soaking time.Heating Plate Temperature Is Only One Part of the Welding Parameters In butt fusion welding, temperature is important, but it is not the only factor that determines weld quality. A complete welding process also requires proper control of: · Bead-up pressure · Drag pressure · Soaking time · Changeover time · Cooling time · Pipe end facing quality · Pipe alignment and misalignment control · Heating plate surface cleanlinessTherefore, welding quality should not be judged by heating plate temperature alone. The correct welding parameters should be selected according to pipe material, pipe diameter, wall thickness, and the applicable welding standard. Practical Recommendation For PE100 pipes, the heating plate temperature is usually set at around 220°C.For PE80 pipes, the temperature should be adjusted according to wall thickness. Thin-wall PE80 pipes can be heated close to 220°C, while thicker PE80 pipes normally require a lower temperature, gradually approaching around 200°C.Operators should also check the actual heating plate temperature before welding, not only the set value on the controller. The heating plate should be clean, stable, and ready before it is brought into contact with the pipe ends. Conclusion PE100 and PE80 pipes require different considerations when selecting the heating plate temperature for butt fusion welding.PE100 pipes are usually welded at around 220°C. PE80 pipes require temperature adjustment according to wall thickness: thin-wall pipes are close to 220°C, while thick-wall pipes gradually decrease toward around 200°C.The correct temperature setting is not about making the pipe end “as hot as possible.” It is about forming a proper, stable, and uniform molten layer. For thick-wall PE80 pipes, a lower heating plate temperature combined with a longer soaking time often provides a more reliable welding result than simply increasing the temperature.

The differences can be understood from two main aspects: operation and machine structure. 1. Operational Differences Fully Automatic Hydraulic Butt Fusion Machine A fully automatic machine operates through a guided interface on an LCD screen. The welding process—facing, heating, and fusion—is carried out step by step according to on-screen instructions. The operator only needs to confirm the pipe size and specification. All welding parameters such as temperature, pressure, and timing are set automatically by the machine. After the heating cycle is completed, the heating plate retracts automatically, and the machine proceeds to the fusion stage without manual hydraulic intervention. Even operators with limited experience can complete the welding process by following the system prompts. Semi-Automatic Hydraulic Butt Fusion Machine In a semi-automatic machine, welding parameters must be set manually by the operator according to the operation manual. Temperature, pressure, and timing need to be adjusted before welding begins. Removal of the heating plate, pipe alignment, fusion pressure application, and holding time are all controlled manually through the hydraulic unit. This requires the operator to remain actively involved throughout the welding process. Overall Operational Experience In practical use, a fully automatic machine offers a smoother and more controlled workflow with minimal manual intervention. Welding parameters are applied consistently, helping maintain stable welding quality.By contrast, semi-automatic machines rely heavily on the skill and experience of the operator, who must manage each stage of the process manually. 2. Structural Differences Beyond operation, the two types of machines also differ in structural design. Hydraulic and Control System · Fully automatic machines use a chip-controlled electrical and hydraulic system.· Semi-automatic machines use a traditional electrical and hydraulic configuration. Machine Frame · Fully automatic machines are built with a heavy-duty frame and include an automatic heating plate lifting mechanism.· Semi-automatic machines do not include automatic plate lifting and rely on manual handling. Clamp Inserts · Fully automatic machines are equipped with precision-machined clamp inserts as standard.· Semi-automatic machines typically come with die-cast clamp inserts.

At Welping, we understand that timely delivery is crucial to keeping your projects on schedule. That's why we have optimized our manufacturing and logistics processes to provide you with efficient and reliable lead times, whether you need a single sample or a large production run. Sample Orders: For Evaluation & Urgent Needs For sample orders, we prioritize rapid turnaround. Once an order is confirmed, we will complete your unit and prepare it for shipment within **3 working days**. This allows you to evaluate our equipment's quality and performance with minimal delay. Standard Production Orders: For Reliable Planning For larger quantity orders, our standard production lead time is typically **15 to 20 working days**. This period allows us to maintain our strict quality control standards throughout the manufacturing process, ensuring every machine you receive meets our high-performance specifications. Large Volume & High-Capacity Orders We are equipped to handle significant demands without compromising on speed or quality. Thanks to our highly efficient assembly lines, we have the capacity to produce and deliver up to **1,000 units of pipe fusion welding machines within approximately 2 weeks Our commitment is to provide you with a clear and reliable timeline. We will always communicate proactively and strive to complete your production as soon as possible, ensuring you receive the reliable, high-quality equipment you need, when you need it. Ready to place an order or discuss your specific timeline? Contact our sales team today for a precise quotation and delivery schedule.

Q: What structural improvements does the FX Series adopt? A: The FX Series features a reinforced frame designed for higher rigidity, reducing vibration and misalignment during welding. Q: What is the function of the enclosed hydraulic unit? A: The enclosed cabinet protects hydraulic components from dust, splash, and accidental contact, helping stabilize pressure output on job sites. Q: Why does the FX Series use a gear-driven facer? A: A gear-driven facer provides stable and consistent torque, producing cleaner facing results and higher long-term reliability than belt systems. Q: How is the heating plate designed for accuracy? A: The heating plate offers uniform temperature distribution across the surface, supporting consistent bead formation.