Top 5 Round Duct Machines for Efficient HVAC Systems

  • By:Metmac
  • 2024-06-11
  • 5


Efficient HVAC systems are crucial for maintaining optimal indoor air quality, thermal comfort, and energy savings. Round duct machines play a vital role in creating seamless and efficient ductwork, ensuring proper airflow throughout the system. Here are the top 5 round duct machines that will enhance the performance of your HVAC system.

1. Spiral Duct Machine:

Spiral duct machines produce circular ductwork by winding coils of metal into a continuous spiral shape. These ducts offer superior strength, leak resistance, and airflow efficiency. They are ideal for commercial and industrial applications due to their large diameters and high-volume airflow capacity.

2. Pittsburgh Lock Former:

Pittsburgh lock formers create ductwork by folding sheets of metal and interlocking them with a Pittsburgh lock seam. These ducts are lightweight, easy to assemble, and have excellent structural integrity. They are commonly used in residential and light commercial applications.

3. Drive Cleat Former:

Drive cleat formers are specialized machines that produce drive cleats on the edges of ductwork. Drive cleats lock into mating cleats on the duct joints, providing a secure and air-tight connection. This type of ductwork is ideal for high-pressure applications and is often used in industrial settings.

4. Slip & Drive Duct Former:

Slip & drive duct formers create slip joints and drive cleats on ductwork. Slip joints allow for easy assembly and disassembly, while drive cleats provide a strong and leak-resistant connection. These ducts are versatile and suitable for both residential and commercial applications.

5. Rotary Flange Former:

Rotary flange formers create flanges on the ends of ductwork. Flanges are used to connect duct sections, providing a secure and air-tight seal. Rotary flange formers ensure precise and consistent flange formation, minimizing leakage and improving airflow efficiency.


Choosing the right round duct machine is essential for creating efficient HVAC systems that meet your specific requirements. By considering factors such as airflow capacity, ease of assembly, and system type, you can select a machine that will optimize your HVAC performance and ensure a comfortable and energy-efficient indoor environment.


Speak Your Mind




    Guangzhou Metmac Co., Ltd.

    We are always providing our customers with reliable products and considerate services.

      If you would like to keep touch with us directly, please go to contact us

        • 1
          Hey friend! Welcome! Got a minute to chat?
        Online Service