Spiral Duct Fitting Machines

Spiral Duct Fitting Machines

Mestek Machinery has assembled decades of HVAC knowledge and experience to deliver the most comprehensive solutions for your metal forming and ductwork manufacturing challenges.

Complete, automated spiral ductwork manufacturing system

Focusing on speed, precision, efficiency, and repeatability, our family of companies—Engel Industries, Iowa Precision, and Lockformer—has a long-standing history of developing advanced metal forming machines and technologies. These systems deliver the most complete ductwork components in the industry, minimizing material waste, labor, and required finishing.

Ingenuity, commitment to quality, and pride in a job well done are the hallmarks of Mestek Machinery. Our machines meet the highest tolerances for precision, efficiency, and speed so you can deliver ductwork solutions that you can proudly put your name on.

Mestek Machinery’s equipment produces the industry’s most fully formed ductwork components with a minimal amount of material waste. And regardless of the shape and size, our machines deliver repeat precision in the fabrication of your round or oval components making final installation smooth for your jobsite work.

Benefits of Mestek Machinery's Fitting Solutions

  • Precision manufacturing minimizes turbulence and resistance, especially in fittings
  • Helps to optimize overall performance
  • Automation ensures consistency in size, shape of duct
  • Adjustments easily made for long runs, reducing fitting
  • Streamlines the installation process
  • Delivers consistency and accuracy of seams, joints, and joint connectors
  • Reduces leaks, creates uniform seal
  • In house processing ensures on-time delivery, verification of quality


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