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China Portable Manual Round Duct Forming Machine | Fast 30s Fabrication | Top Suppliers & Factory

Introducing the Liding Manual Round Duct Former, the ideal tool for HVAC technicians seeking efficiency on construction sites in China. Say goodbye to the strenuous and time-consuming manual hammering. This innovative machine allows you to create perfect round ducts in just 30 seconds without the need for electricity, air compressors, or heavy machinery. Designed for ease of use, it’s the ultimate solution for on-site fabrication, emergency repairs, and operations in tight spaces where larger equipment can’t fit. As a leading factory, we are committed to providing high-quality products to suppliers and professionals alike. Transform your ductwork process today with the Liding Manual Round Duct Former!
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    30 +
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    Product Details

    LIDING Why do professionals choose LIDING flange machines?

    One machine covers all common sizes, no more tool clutter

    We’ve pre-loaded all the standard mold sizes you’ll ever need for daily jobs, from φ100mm to φ300mm. Switching between sizes takes less than 60 seconds — no complicated tools, no downtime, no more hauling 5 different machines to the job site. It’s the only duct forming tool you’ll need for most residential and commercial projects.

    Unmatched Production Efficiency & Labor Savings

    Works anywhere, even when the power is out

    No electricity? No air compressor? No problem. The pure mechanical lever design runs entirely by hand. It’s perfect for remote construction sites, basement renovations, rooftop work, and emergency repairs during power outages. You’ll never have to pause a job again just because there’s no power outlet nearby.

    High-Grade Materials & Long Service Life

    Blazing fast, saves you hours of backbreaking work

    Form a perfect, smooth round duct in just 30 seconds. That’s 5x faster than beating metal with a hammer all day. What used to take a full day of exhausting manual labor now takes 2 hours. Your crew will finish jobs faster, take on more work, and go home less sore at the end of the day.

    Precise Forming Meeting International Standards

    Light enough for one person to carry and use

    We designed this machine to be as compact and lightweight as possible. One person can lift it into the back of a pickup truck, roll it down a narrow hallway, or carry it up a flight of stairs. It takes up less than 1 square meter of space, so it won’t get in the way on crowded job sites.

    Intelligent PLC Control & Easy Operation

    Standard Production Process

    01
    Cut metal sheet to required size
    02
    Insert sheet into machine feeding slot
    03
    Operate lever to form
    04
    Remove finished round duct
    Standard Production Process

    Frequently Asked Questions

    Q: What duct sizes can this machine accommodate?
    The machine comes pre-loaded with standard mold sizes ranging from φ100mm to φ300mm, covering most common residential and commercial duct project requirements.
    Q: How long does it take to switch between different mold sizes?
    Switching between sizes is incredibly fast and takes less than 60 seconds without requiring any complicated tools or causing significant downtime.
    Q: Does the LIDING flange machine require electricity?
    No, it features a pure mechanical lever design that runs entirely by hand. It requires no electricity or air compressors, making it ideal for remote or power-deprived job sites.
    Q: How fast can it form a finished round duct?
    It takes only about 30 seconds to form a perfect, smooth round duct, which is approximately 5 times faster than traditional manual forming methods.
    Q: Is the machine portable enough for one person to transport?
    Yes, the compact and lightweight design allows a single worker to easily lift it into a pickup truck, move it through tight hallways, and carry it up stairs.
    Q: What are the basic steps to operate the machine?
    The standard process is simple: 1. Cut metal sheet to size; 2. Insert the sheet into the feeding slot; 3. Operate the lever to form; 4. Remove your finished round duct.

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