Products Description
Our Hydraulic Butt Fusion Welding Machine is specially developed for PE, PP, PVDF thermoplastic pipes and fittings. Powered by hydraulic system, it delivers sturdy, leak-free welded joints through milling, heating and fusion processes. Ideal for water drainage, gas pipeline, municipal, chemical, mining and industrial fluid transport works.
Product Parameters
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Hydraulic Butt Fusion Machine SDD450 200MM-450MM (8" IPS -18'' IPS) Product Details
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WELDING RANGE O.D.
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200MM - 450MM
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PISTON AREA
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22.37cm²
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POWER SUPPLY
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380V±110%, 50/60HZ
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TEMPERATURE RANGE
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MAX. 320ºC
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HEATER POWER
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5.38KW
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PACKING DIMENSION
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1300*840*840 MM
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TRIMMER POWER
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1.5KW
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820*600*1100 MM
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PUMP POWER
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1.5KW
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710*340*400 MM
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WORKING PRESSURE RANGE
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0 - 120 BAR
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GROSS WEIGHT
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493KGS
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Working Principle
The hot-melt butt fusion welding process adheres to strict standardized procedures, consisting of five core phases:
1. Preheating Stage
Pipe end faces are evenly pressed against the heating plate at the preset pressure to achieve uniform melting across the whole surface.
2. Heating Stage
Pressure is lowered to a minimum holding level. The pipe ends stay in full contact with the heating plate for adequate, consistent heat absorption.
3. Plate Removal Stage
The heating plate is pulled out swiftly and smoothly to prevent scratching or damaging the molten pipe surfaces.
4. Matching & Fusion Stage
The two heated pipe ends are quickly aligned and brought together. Hydraulic pressure is gradually raised to the specified welding pressure for fusion.
5. Cooling Stage
Full welding pressure is sustained throughout the cycle. The joint fully cools and solidifies under constant pressure, forming a robust, leak-proof integral connection.
Standard Welding Operation Flow
Secure two plastic pipes onto the clamps. Use the electric facing tool to machine both pipe ends until they are perfectly parallel.
Remove the facer, place the heating plate between the pipe ends, and maintain the preset hydraulic pressure for the required heating duration.
Quickly take out the heating plate. Bring the pipe ends together under constant hydraulic pressure for cooling and forming.
Once the cooling cycle finishes, release the pressure, inspect the fusion bead, and complete the welding process.
Key Features and Advantages
1. Hydraulic Drive System: Delivers stable, adjustable pressure to ensure consistent welding quality, ideal for large-diameter pipelines.
2. High-Precision Temperature Control: Even heat distribution across the heating plate with temperature deviation limited to ±5°C.
3. User-Friendly Operation: Integrated LCD control panel streamlines operations and boosts working efficiency.
4. Data Recording Function: Optional data logger available to satisfy engineering demands for quality traceability.
5. Versatile Clamping Jigs: Interchangeable fixtures fit various pipe diameters for multi-scene usage.
6. Safety Protection Structure: Closed hydraulic power unit and heating plate protective cover enable stable operation in tough construction conditions.
Application Areas
Hydraulic butt fusion welders serve a broad range of industries:
1. Municipal potable water networks: Achieve reliable, leak-tight joints for drinking water pipelines.
2. Gas transportation and distribution: Meet stringent industry specifications with high-standard welded connections.
3. Industrial piping works: Medium transport pipelines for chemical, power and mining sectors.
4. Farm irrigation projects: Efficient joining of large-diameter water supply mains.
5. Geothermal installations: Welding of heat-resistant plastic piping.
6. Aquaculture facilities: Freshwater and seawater conveyance pipelines.
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