Round Duct Seam Closing Machine
The machine is especially used to strengthen the seam lock and particularly suitable for producing great amount of ducts, it can combine with 3-roller forming machine or 4-roller forming machine to produce the round duct which is of standard appearance and reliable quality. It is easy to install with high efficiency.
Contact Us Right Now & Get A Quick Quote
Features & Technical Spec.
If you want to make a steel sheet into a round tube and lock the seam, you need two steps: first, make the lock on the ends of the sheet with lockformer, then you need to turn over the sheet and roll the sheet into round tube with a rolling machine.