Products Description
The PE pipe butt welding fusion machine is a device specifically designed for connecting thermoplastic pipes and fittings such as polyethylene (PE), polypropylene (PP), and PVDF. This equipment uses butt welding technology, employing processes such as heating, milling, pressurization, and cooling to create a high-strength, leak-free, permanent connection between two pipe sections. Widely used in water supply and drainage engineering, gas transmission, municipal construction, mining engineering, chemical pipelines, and agricultural irrigation.
Product Parameters
Hydraulic Butt Fusion Machine SDD450 200MM-450MM (8" IPS -18'' IPS) Product Details | |||
WELDING RANGE O.D. | 200MM - 450MM | PISTON AREA | 22.37cm² |
POWER SUPPLY | 380V±110%, 50/60HZ | TEMPERATURE RANGE | MAX. 320ºC |
HEATER POWER | 5.38KW | PACKING DIMENSION | 1300*840*840 MM |
TRIMMER POWER | 1.5KW | 820*600*1100 MM | |
PUMP POWER | 1.5KW | 710*340*400 MM | |
WORKING PRESSURE RANGE | 0 - 120 BAR | GROSS WEIGHT | 493KGS |
Working Principle
Clamp & Alignment: Fix two pipe sections on the aluminum carriage, trim uneven pipe end faces with electric milling cutter to guarantee parallel contact;
Constant Temperature Heating: Put PTFE non-stick heating plate between pipe ends, heat to standard fusion temperature (210–230℃ for HDPE) to soften pipe surfaces evenly;
Pressure Fusion: Remove heating plate instantly, push two pipes together under stable hydraulic pressure, keep holding for soaking time;
Cooling Forming: Maintain pressure until fully cooled, obtain smooth, high-strength fusion bead without extra gaskets or glue.
Key Operating Points
Cut the pipe end neatly, with an error ≤0.5mm.
Clean the heating plate and pipe end, ensuring they are free of oil and dust.
Strictly follow the welding process parameters (temperature, pressure, time).
Do not move the pipe during cooling.
Record the welding parameters (automatically saved for fully automatic models).
Wide Application Scenarios
1. Municipal Engineering: Tap water distribution network, sewage drainage, rainwater reuse pipelines
2. Energy Pipeline: Natural gas, city gas HDPE transmission mains
3. Agricultural Irrigation: Farmland water supply, mine slurry delivery pipes
4. Industrial Chemical: Acid/alkali corrosion-resistant PVDF & PE industrial piping
5. Geothermal & HVAC: Ground source heat pump buried pipe loops
6. Marine & Aquaculture: Seawater desalination, fish farm HDPE pipeline systems
7. Construction: Building water supply, fire-fighting plastic pipe connection
FAQ
Q: What is the difference between butt fusion and electrofusion?
A: Butt fusion joins pipe ends directly using heat and pressure, while electrofusion uses embedded wire fittings and electrical current. Butt fusion is preferred for larger diameters and mainline connections.
Q: Can one machine weld both PE and PP pipes?
A: Yes, most HDPE butt fusion welding machines support PE, PP, and PVDF materials, though temperature settings may vary.
Q: What spare parts should I keep in stock?
A: Essential spare parts include: heating plate temperature sensors, planer blades, hydraulic seals, pressure gauge, and heating elements.
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