A polyethylene pipe fusion machine, also known as PE pipe welding machine or HDPE fusion machine, is specialized industrial equipment designed for thermoplastic pipe connection. Different from traditional thread connection and glue bonding, it adopts a thermal fusion welding principle: heating the pipe ends to a specific molten state under constant temperature, applying uniform pressure for docking, and forming an integrated seamless joint after natural cooling.
Product Specifications
|
Model |
SDD315 |
|
Welding Range |
90 110 125 140 160 180 200 225 250 280 315 MM |
|
Heating Plate Max.Temperature |
270℃ |
|
Temperature Deviation in Surface |
≤5℃ |
|
Working Voltage |
220V,50/60HZ |
|
Total Power |
5.85KW |
|
Heating Plate Power |
4KW |
|
Planning Tool Power |
1.1KW |
|
Hydraulic Unit Power |
0.75KW |
|
Pressure Adjustable Ranges |
0-6.3MPA |
|
Weight |
240KG |
|
Package |
3 WOODEN BOXES/1.0CBM |
|
Data Logger Port |
OPTIONAL |
How Does Pipe Fusion Welding Work?
1. Pipe Preparation: Cut pipe ends square and clean thoroughly
2. Alignment: Secure pipes in the fusion machine clamps with precise alignment
3. Facing: Machine-plane both pipe ends to ensure perfectly flat surfaces
4. Heating: Insert heated plate (typically 200–220°C for HDPE) between pipe ends
5. Fusion: Remove heating plate and immediately press pipe ends together
6. Cooling: Maintain pressure during the cooling phase-never accelerate cooling
7. Inspection: Visually inspect the weld bead for uniformity and completeness
Critical Tip: The cooling time must never be shortened. Premature removal of pressure results in weak joints and potential failure under pressure.
Advantages of Polyethylene Pipe Fusion Technology
1. Leak-Free Joints
Fusion welding creates a homogeneous connection that eliminates leakage risks.
2. Superior Strength
The fused area often becomes as strong as or stronger than the pipe itself.
3. Corrosion Resistance
Unlike metal piping systems, polyethylene pipes resist:
4. Rust
Chemical attack
Electrochemical corrosion
5. Long Service Life
Properly fused HDPE pipelines can operate for over 50 years.
6. Lower Maintenance Costs
Fewer failures and reduced repair requirements significantly decrease lifecycle costs.
Main Applications
- Municipal Engineering: Urban tap water supply pipelines, rain and sewage drainage pipelines, municipal fire protection pipelines
- Energy Transmission: Natural gas transmission pipelines, biogas pipelines, oil and gas polyethylene pipeline laying
- Industrial Pipeline: Chemical anti-corrosion pipelines, factory water circulation pipelines, mining polyethylene conveying pipelines
- Civil Construction: Residential water supply and drainage, building plumbing, rural water reform projects
- Pipeline Maintenance: Old pipeline renovation, pipeline leakage repair, branch pipeline expansion and docking
Maintenance Tips
1. Regular Cleaning
Keep heating plates and facing tools free from contaminants.
2. Inspect Hydraulic Systems
Check hydraulic oil levels and hoses periodically.
3. Calibrate Temperature Controls
Accurate temperature control is essential for high-quality welds.
4. Replace Worn Components
Timely replacement of blades, seals, and electrical parts improves performance.
5. Store Properly
Protect equipment from moisture, dust, and extreme temperatures.
Daily Maintenance Checklist
1. Clean heating plate surfaces with non-abrasive cleaner
2. Inspect hydraulic hoses for leaks or damage
3. Verify temperature calibration with surface thermometer
4. Check clamp alignment and facing blade sharpness
5. Lubricate moving parts per manufacturer schedule
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