Boost Productivity and Comfort with the WELDPLAST S1

New Accessory: 178.630 Hot air guide internal WELDPLAST S1 Leister – the global leader in plastic welding technology – introduces a new solution designed to enhance operator comfort and efficiency when using the WELDPLAST S1 extrusion welder. 178.630 Hot air guide internal WELDPLAST S1 accessory delivers improved flexibility, consistent performance, and reliability – helping professionals achieve more with less effort.

Greater Flexibility – Easier Operation

The new 360° rotatable hot air guide allows the operator to easily adjust the welding direction without changing body position or grip.
This upgrade offers:

  • Reduced operator fatigue during long welding sessions
  • Precise control in tight or angled workspaces
  • Increased comfort and safety, even during continuous operation

Optimized Hot Air Flow – Perfect Welds Every Time

The side-mounted air guide (ø14 mm) ensures a stable and focused airflow directly onto the welding zone.
Key benefits include:

  • Consistent, high-quality weld seams with smooth surface finish
  • Reduced overheating and deformation of plastic material
  • Lower energy consumption and extended tool lifespan

Fully Compatible and Highly Reliable

Designed with seamless integration in mind, the 178.630 Hot air guide internal WELDPLAST S1 works perfectly with standard WELDPLAST S1 welding shoes.
Manufactured in Switzerland by Leister, it guarantees long-term reliability, precision, and durability under demanding industrial conditions.

Enhanced Performance with Every Weld

  • When paired with the new accessory, the WELDPLAST S1 delivers superior efficiency and comfort:
  • Up to 20–30% higher productivity through faster operation and easier handling
  • Consistent welding results across various materials (PE, PP, PVDF)
  • Perfect for professional applications such as:
  • Plastic tank and container manufacturing
  • Pipe welding and repair
  • Plastic sheet fabrication
  • Chemical processing and water treatment equipment

Key Advantages of the 178.630 Hot air guide internal WELDPLAST S1

Feature Operator Benefit
360° Rotatable Air Guide Easier handling, reduced fatigue, faster operation
Side Airflow ø14 mm Even heat distribution for stronger, smoother welds
Full Compatibility Quick installation, no workflow changes
Swiss-Made Quality Outstanding reliability and long service life

 149.167 Hot air guide lateral ø 14 mm WELDPLAST S1 LT_Hot-air-tube-complete_178_630_PS_05.jpg

Designed for Comfort, Built for Performance

With the 178.630 Hot air guide internal WELDPLAST S1 becomes not just a high-performance extrusion welder — but a smart, ergonomic tool that empowers professionals to work more comfortably, efficiently, and confidently every day.

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