Plastic Pipe Hydraulic Butt Fusion Welding Machine

 

The Plastic Pipe Hydraulic Butt Fusion Welding Machine is a professional device for connecting thermoplastic pipes and fittings such as PE, PP, and PVDF. This equipment uses a hydraulic drive system and achieves high-strength, seamless pipe connections through butt welding, milling, heating, and fusion welding processes. It is widely used in water supply and drainage engineering, gas transmission, municipal construction, chemical pipelines, mining, and industrial fluid transportation.

 

 

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

 

 

The hot-melt butt welding process follows a standardized sequence, generally divided into five stages:

1. Preheating Stage: The pipe end face is brought into contact with the heating plate, and a preset pressure is applied to melt the end face evenly.

2. Heating Stage: The pressure is reduced, maintaining contact between the pipe end face and the heating plate to allow the material to fully absorb heat.

3. Plate Removal Stage: The heating plate is quickly removed without damaging the melted end face.

4. Switching Stage: The molten surfaces of both ends are quickly brought together, and the pressure is gradually increased to the welding pressure.

5. Cooling Stage: The welding pressure is maintained, allowing the joint to cool and solidify naturally under pressure.

 

Fix two plastic pipes on clamps, trim both ends with electric facer until fully parallel
Remove trimmer, insert heating plate between pipe ends, apply set hydraulic pressure for specified heating time
Pull out heating plate rapidly, close pipe ends under constant hydraulic pressure for cooling & shaping
Release pressure after cooling countdown completes, inspect fusion bead and finish welding

 

 

1. Hydraulic Drive: Stable and controllable pressure, reliable welding quality, suitable for large-diameter pipelines.

2. High-Precision Temperature Control: Uniform heating plate temperature, deviation controlled within ±5°C.

3. Convenient Operation: LCD display panel integrates multiple operations, improving work efficiency.

4. Data Recording: Optional data logger to meet engineering quality traceability requirements.

5. Universal Fixtures: Interchangeable fixtures adaptable to different pipe diameters, multi-purpose machine.

6. Protective Design: Enclosed hydraulic station and heating plate protective cover, adaptable to harsh construction site environments.

 

Hydraulic hot-melt butt welding machines are widely used in the following fields:

1. Municipal water supply networks: Ensuring the safety and sealing of drinking water pipeline connections.

2. Gas transmission and distribution systems: Requires extremely high welding quality and strict adherence to industry standards.

3. Industrial pipeline engineering: Media transmission pipelines in chemical, power, and mining industries.

4. Agricultural irrigation systems: Rapid connection of large-diameter water transmission trunk lines.

5. Geothermal and geothermal systems: Connection of heat-resistant plastic pipes.

6. Aquaculture and fisheries: Seawater and freshwater transmission pipelines.

 

 

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