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SWTNS3400 Industrial Hot Air Gun China Factory Suppliers for Geomembrane Welding

Get high-performance industrial welding solutions from a leading China factory. The SWT-NS3400 is a professional hot air gun from trusted suppliers, featuring 3400W power and Kanthal heating elements for PE, PP, and PVC geomembrane welding.

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Product Details

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Product Details

The SWT-NS3400 Hot Air Gun is a professional-grade industrial welding solution engineered for high-performance bonding of thermoplastic materials. Designed for versatility and durability, it excels in welding PE, PP, EVA, PVC, PVDF, and TPO, making it an essential tool for large-scale environmental protection projects, including landfill liners, water conservancy works, and sewage treatment plants.

Whether you are installing single-layer flexible plastics, modifying asphalt sheets, or conducting critical repairs on building waterproof membranes, the SWT-NS3400 delivers consistent thermal output and precision control. Its robust design ensures reliability in demanding job site conditions, providing a seamless weld for geomembranes and industrial piping systems.

Detailed Parameters

Rated Voltage230V Frequency50/60Hz
Power Output3400W Temperature Range20-620℃ (Continuously Adjustable)
Max Air Volume360 L/min Air Pressure3200Pa
Noise Level≤65 Db Handle Size65mm
Net Weight1.2KG Gross Weight3.5KG

Key Advantages

Ultra-High Power

Equipped with a 3400W motor to deliver an exceptionally powerful thermal airflow for rapid heating.

Extended Lifespan

Features Swedish Kanthal heating wire, ensuring a professional service life of up to 1,200 hours.

Precision Control

Continuously adjustable temperature settings from 20-620℃ to match specific material requirements.

Consistent Pressure

High air pressure of 3200Pa ensures the hot air is distributed evenly and strongly across the weld.

Material Versatility

Perfect for PE, PP, PVC, and EVA, covering almost all standard geomembrane and thermoplastic needs.

Complete Accessory Kit

Includes various slot, angled, and tubular nozzles plus silica and Teflon rollers for any application.

Product Gallery

Management Platforms

Thermal Stability

Integrated temperature regulation ensures a stable heat flow for high-quality seams.

Efficient Workflow

Lightweight 1.2kg design reduces operator fatigue during long-term installation.

Noise Control

Optimized acoustics keep noise levels ≤65 Db for a safer working environment.

Rapid Deployment

Quick-change nozzle system allows for immediate adaptation to different weld widths.

Durable Storage

Supplied with a reinforced green plastic carry box for secure onsite transport.

Precision Application

Specialized rollers (Silica, Teflon, Brass) ensure bubble-free membrane welding.

Investment Return Comparison

Performance MetricStandard Hot Air GunsSWT-NS3400
Power Rating1500W - 2000W3400W Ultra Power
Heating Element Life300 - 600 Hours1,200 Hours (Kanthal)
Air Pressure~1500 Pa3200 Pa High Pressure
Temp AdjustmentStep-based / FixedContinuous 20-620℃
Application SpeedModerateFast (High Volume Air)

Frequently Asked Questions

Q: Which materials are compatible with the SWT-NS3400?

The SWT-NS3400 is designed for a wide range of thermoplastics including PE, PP, EVA, PVC, PVDF, and TPO, as well as modified asphalt sheets.

Q: What makes the Kanthal heating element superior?

Swedish Kanthal wire is renowned for its exceptional heat resistance and stability, extending the service life of the heating core to 1,200 hours.

Q: Can this hot air gun be used for HDPE geomembrane welding?

Yes, it is widely used for HDPE and other PE geomembranes in landfill and water conservancy projects for both installation and repair.

Q: What accessories are included for sealing seams?

The kit includes 20mm and 40mm silica rollers, a Teflon roller, and a brass roller to ensure a professional, air-tight seal.

Q: How does the high air pressure benefit the welding process?

The 3200Pa pressure ensures that heat is pushed deeply and evenly into the material, preventing cold spots and improving weld strength.

Q: Is the temperature adjustment precise enough for thin membranes?

Yes, the continuously adjustable temperature range (20-620℃) allows operators to dial in the exact heat required to avoid burning thin films.

Ready to Optimize Your Geomembrane Welding Efficiency?

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