TopSun Automatic Longitudinal Seam Welders are designed for all straight line, linear welding applications. They are widely used for welding cylinders, tank shell, tubes, flat sheets and open ended boxes. 

Single welding torch runs along the seam making a single continuous welding with perfect accuracy and quality.

 When such longitudinal welding machine used for tank welding, theyare widely used in production of solar water heater tank, enamessel tank, LPG cylinder, large capacity welded insulated cylinder, storage tank, LNG lindergas station and so on.

Completely customized to meet customer’s requirements.

 Specifications 

 Examples of Welding products

With our production and export experience with longitudinal seam welder, our team of engineers can custom design equipment.

We can tie-in our equipment with a current assembly line or machinery or supply an entire assembly line.
We also provide detailed technical drawings, user manual, work procedure and maintenance manual throughout the design, fabrication and installation processes.

The machine is well packed and fixed by steel rope, to prevent  falling down and damage. 

1. How can I select suitable welding machine?

      Tell us the following information to get professional advice

• What Weld Processes are you use currently?

    TIG, MIG, MAG, Laser, Plasma or Other

• Material will be welded 
• Thickness of Material
• Welding diameter / length 
• Post Weld Inspection Criteria 
• Other detailed requirements and questions (productivity, skill level, automation, budget) 

  2. What about the warranty?

         One year from delivery time. 

 3. When meet questions, how to solve?

      Take videw and send to us, or  engineers available to service machinery oversea