Seam Welders

Longitudinal seam welding machines for sheets, plates, pipes, tanks and other cylindrical vessels.
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Seam Welding Machines

Key Plant manufacture seam welders for SAW, MIG, TIG and Plasma applications.

Premium engineered automated seam welders.

We design and manufacture a number of models including external, internal, elevating and flat plate machines.

Machines can be supplied full loaded with welding equipment as a “turnkey” package or as the “steel work only”

Systems can be supplied with operator platforms and infeed and support rolls.

Aa a global leader and over 65 years in welding automation, we can produce specialised designs to suit large diameter and long length components.

Increase production and improve consistency and quality of welds with our automated seam welding solutions.

Seam Welder flat bed


Automated seam welding machines.

Seam Welder internal


Automated seam welding machines.

external seam welder machine


Automated seam welding machines.

Seam Welder elevating


Automated seam welding machines.

Elevating SW with platform

Elevating with operator platform

Automated seam welding machines.

Key Plant digital and analog controllers

Seam Welder Controllers

Digital and Analog Controllers.

Interested in a Seam Welder?

Buy, rent and lease options available.

Key Plant supplies seam welders to customers all over the world. Perfect for boiler and gas cylinder manufacturing, our seam welding machines are used in a wide and diverse range of industries.

Please fill the form. One of our friendly experts will contact you to discuss your seam welder requirements.

Alternatively, please call:
Head office, UK: +44 01538 388388
Key Plant USA +1-832-770-9173

Seam Welder Enquiry