Geomembrane Welding Machine HDPE Liner Welder
Product Specifications
- Application Scope：
- Membrane Welding
- Pipe Welding
- Sheet Welding
Professional Welding Equipment
Handheld HDPE
Extrusion Welding Machine
Our professional Extrusion Torch features a high-performance industrial drive motor and a dual heating system for both the extrusion screw and hot air. Designed for 230V operation, it delivers a powerful 1300W driving force and 1600W hot air capacity, ensuring consistent, high-strength welds for geomembranes, pipes, and plastic fabrications.
- ✔ High Output: 2.0-3.0kg/h extrusion volume for high-efficiency construction
- ✔ Rotatable Nozzle: 360° adjustable air nozzle for versatile welding angles
- ✔ Motor Protection: Automatic safety shutdown if melting temperature is not reached
- ✔ Dual Control: Precise temperature range of 50-380°C for extrusion and 20-620°C for hot air
* Engineered for professional-grade HDPE, PP, and PVDF welding projects.
Handheld Extrusion Welder: High-Performance Seaming Solution
Our Extrusion Welding Machine is a professional-grade tool designed for the high-strength fabrication and repair of thermoplastic materials. By integrating a powerful dual heating system—independent hot air for pre-heating and a screw heater for the extrudate—it ensures a perfect structural bond for geomembranes, heavy-duty pipes, and plastic sheets.
Core Technical Advantages
Industrial-Grade Efficiency: With an extrusion volume of 2.0 - 3.0 KG/H, this machine significantly shortens construction periods compared to traditional methods. The 360° rotatable air nozzle allows operators to weld seamlessly at any angle, including facades and slopes.
Advanced Protection System: To ensure durability, the machine features an Automatic Motor Protection mechanism. The drive motor will not start or will automatically shut down if the welding rod has not reached the required melting temperature, preventing damage to the internal gears.
Capable of reaching extrusion temperatures up to 380°C and hot air temperatures up to 620°C, providing the versatility needed for PP, PE, and PVDF materials.
Versatile Engineering Applications
- Geomembrane Seaming: Professional welding for landfill liners, artificial lakes, and dam anti-seepage projects.
- Pipe Fabrication: Reliable joint welding and repair for large-diameter PP/PE drainage and chemical pipes.
- Tank & Container Construction: Structural assembly of plastic water tanks, electroplating baths, and chemical storage units.
- Waterproofing Repairs: Quick and easy patching for damaged liner sections even in challenging site conditions.
- Plastic Sheet Fabrication: Ideal for high-strength welding of thick plastic boards and structural plates.
Technical Advantages of Our Extrusion Welder
Engineered for high-intensity plastic fabrication, our handheld extrusion welders combine powerful output with intelligent protection to ensure structural integrity in every seam.
Advanced Dual Heating
Equipped with an independent 1600W hot air blower for pre-heating and a powerful screw heater. This dual-system ensures the base material and welding rod reach the optimal melting point simultaneously for a perfect bond.
High Extrusion Volume
Delivers a consistent output of 2.0 - 3.0 KG/H. This high extrusion rate allows for faster seam completion in geomembrane installation, significantly reducing labor time and project costs on large-scale sites.
Cold Start Protection
Features an intelligent motor safety lock. The drive motor is programmed to remain inactive or shut down automatically if the pre-set melting temperature isn't met, preventing gear damage and ensuring tool longevity.
360° Rotatable Nozzle
The welding head and air nozzle can be rotated 360 degrees. This provides unparalleled flexibility for welding in tight corners, vertical walls, or circular pipe joints without repositioning the entire machine.
Precision Temp Control
Independent digital/analog controls for extrusion (up to 380°C) and hot air (up to 620°C). This allows the operator to fine-tune the heat according to the specific material properties of HDPE, PP, or PVDF.
Rugged Industrial Build
Designed for harsh construction environments. The balanced weight distribution and ergonomic handles minimize operator fatigue during long shifts in landfill or mining containment projects.
Extrusion Welder Technical Specifications
Detailed performance parameters for our Handheld Plastic Extrusion Welding series. Engineered for high-strength HDPE/PP/PVDF seaming and fabrication.
| Key Parameters | Technical Value / Range |
|---|---|
| Voltage / Frequency | 230V / 50Hz (Single Phase) |
| Drive Motor Power | 1300 W |
| Hot Air Blower Power | 1600 W |
| Extruding Temperature | 50 ~ 380 °C (Adjustable) |
| Hot Air Temperature | 20 ~ 620 °C (Adjustable) |
| Extruding Volume (PE) | 2.0 ~ 3.0 KG / Hour |
| Welding Rod Diameter | φ 3.0 mm - 4.0 mm |
| Net Weight | Approx. 7.0 KG |
Smart Protection & Control
- Cold Start Lock: Motor won't start until melting temperature is reached.
- Dual Systems: Independent control for air and extrusion heating.
- 360° Nozzle: Rotatable welding shoe for complex geometries.
Precision Assembly & Quality Control
Liaoning Hengyu New Materials Co Ltd ensures every Extrusion Welding Machine meets rigorous industrial standards. From premium component selection to final load testing, we guarantee reliability for your most demanding containment projects.
The Assembly & Engineering Process
- Premium Motor Integration: High-performance 1300W industrial drive motors are installed to provide steady torque for consistent extrusion.
- Dual-Heating System Setup: Independent 1600W hot air blowers and screw heating elements are integrated with precision digital controllers.
- 360° Nozzle Calibration: Rotatable welding shoes are machined to exact tolerances, ensuring smooth material flow and versatile positioning.
- Cold-Start Safety Logic: The control board is programmed with a thermal interlock to prevent motor startup before the rod is fully melted.
- Ergonomic Final Build: Handles and frames are assembled for optimal weight balance to reduce operator fatigue during long shifts.
Rigorous Inspection Standards
Each unit undergoes a comprehensive multi-point inspection before being secured in its heavy-duty shipping case:
- Temperature Accuracy: Verifying both extrusion (380°C) and hot air (620°C) ranges with external thermal sensors.
- Extrusion Output Test: Ensuring a consistent 2.0-3.0 kg/h flow rate with standard HDPE welding rods.
- Electrical Safety: Full insulation and grounding tests to ensure operator safety on wet or metallic job sites.
- Durability Run: 2-hour continuous operation test to monitor motor heat dissipation and stability.
- Packaging Integrity: Machines are packed in reinforced steel or high-impact composite cases for safe global logistics.
Packaging, Delivery & Operation Support
Heavy-Duty Equipment Protection
- Premium Carry Case: Every unit is housed in a high-impact, aluminum-reinforced tool box for ultimate job-site protection.
- Shock-Absorbent Interior: Custom foam inserts prevent movement and damage to the drive motor and heating elements during transit.
- Full Accessory Kit: Includes multiple welding shoes (V-seam/Fillet), spare heating elements, and specialized maintenance tools.
- Ready for Export: Packed in reinforced cartons or wooden crates to meet international air and sea freight safety standards.
- Rapid Logistics: Direct shipping from our Liaoning base with complete documentation including Quality Certificates and User Manuals.
Liaoning Hengyu New Materials Co Ltd provides worldwide door-to-door or port-to-port delivery with full technical support.
Extrusion Welding Best Practices
- Pre-Heating Phase: Allow the machine to heat for 5-8 minutes until the digital display confirms the set extrusion temperature.
- Surface Preparation: Ensure the geomembrane or plastic sheet is clean, dry, and free of oxidation (light grinding is recommended).
- Rod Selection: Use high-quality PE/PP welding rods (3.0mm - 4.0mm) that match the base liner material properties.
- Constant Speed: Maintain a steady forward motion and apply moderate pressure to ensure full fusion between materials.
- Airflow Adjustment: Orient the 360° air nozzle to effectively pre-heat the weld zone just ahead of the extrudate.
More Geosynthetics from Liaoning Hengyu
Combine short fiber geotextile with our geomembrane, composite materials and other geosynthetics for integrated solutions.
Request Factory Price & Technical Support
Partner with Liaoning Hengyu New Materials Co Ltd for professional welding solutions. Consult our experts for the right extrusion welder configuration and receive a competitive wholesale quote for your project.
⚡ Typical response time: Within 12 hours with worldwide shipping options.
To provide an accurate quote, please include:
- ● Target Materials (HDPE, PP, or PVDF)
- ● Application (Geomembrane, Pipe, or Tank)
- ● Order Quantity (Units) & Spare Parts Needs
- ● Voltage Requirement (Standard 230V or Custom)
- ● Preferred Plug Type (EU, UK, US, etc.)
- ● Destination Country for Freight Estimation
Extrusion Welder – Frequently Asked Questions
Q1: Why does this machine use a dual heating system?
Our welder features independent heating for the extrusion screw (1300W) and the hot air blower (1600W). This is critical because the base material and the welding rod require different temperatures to reach an optimal molten state. Dual control ensures a much stronger structural bond and prevents "cold welds" in geomembrane or pipe joints.
Q2: What is the "Cold Start Protection" and how does it work?
To protect the heavy-duty drive motor and internal gears, the machine is equipped with a thermal interlock. The motor will not engage until the extrusion barrel reaches the pre-set temperature (usually after 5-8 mins of pre-heating). This prevents mechanical failure caused by attempting to force a solid welding rod through the screw.
Q3: Which types of plastic materials and rod sizes can I use?
This machine is optimized for HDPE, PP, and PVDF thermoplastics. It is compatible with standard welding rods with a diameter of 3.0mm to 4.0mm. We recommend using rods made from the same resin grade as your base liner or pipe to ensure 100% material compatibility and leak-proof performance.
Q4: What maintenance is required for long-term industrial use?
The primary maintenance includes checking the carbon brushes of the motor every 100-200 hours and keeping the air intake filters clean. Every unit comes with a reinforced aluminum carry case and a basic tool kit for field maintenance. Liaoning Hengyu also provides spare heating elements and customized welding shoes for different seam geometries upon request.