Round Duct Lock Seam Machine

Round Duct Lock Seam Machine

  • Product Description
  • Video

Round Duct Lock Seam Machine Performance Features:


Thickness of plate(mm)

Machining length(mm)











It's automatic type used for 0.4~1.2mm sheet metal duct lock seam closing, this machine is especially used to strengthen the button lock and particularly suitable for producing great amount of round ducts, it can combine with 3-roller forming machine and round duct lock forming machine to produce the duct which is of standard appearance and reliable quality. It's easy to install with high efficiency. Each equipment in the round duct processing machinery is developed strictly according to the corresponding requirements from rolling, locking, seaming, leveling and beading, each round duct processing requires have a corresponding machine to maximize the efficiency of processing also reduces the cost of customer use and we have high-quality requirements for ourselves. All of our mechanical parts are using the highest quality brand suppliers to ensure the stability and quality of our products. Our factory is located in the center of China's machine tool industry, Ma'anShan Bowang District Dongcheng Industrial Park, it is very convenient only takes 20mins to Nanjing Lukou International airport and connected with Jiangsu, Zhejiang, and Shanghai. We are one of the leading manufacturers of duct forming machine since 1994. BLKMA company specializes in manufacturing and sales of air duct line II, III, IV, V, CNC angle steel flange production line, shear, folding, machine, bender, duct zipper, spiral former, CNC plasma cutter, elbow maker, TDF flange machine, grooving machine, slip roller machine and so on. The biggest thing of round duct lock seam machine is to save energy, the motor power is just 0.75kw, the method is simple and easy to operate, saving a lot of time and cost for customers. And round duct lock seam machine is the necessary equipment for round duct, we provide high-quality products to clients around the world with strong technical strength and years of production experience.

Round Duct Lock Seam Machine Basic Configuration:

  • One motor
  • One electronic box
  • One foot switch
  • One electric control system

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