Spiral Duct Machine

Why Choose BLKMA Spiral Duct Machine?

BLKMA's spiral duct machine is engineered to deliver superior performance, high precision, and exceptional production efficiency, making it the preferred choice for professional HVAC duct manufacturing. Unlike conventional equipment, the BLKMA spiral duct machine integrates optimized mechanical structure, advanced forming technology, and reliable system compatibility to ensure consistent, high-quality output.

To support complete spiral duct fabrication, the machine works perfectly with our round elbow machine, angle steel round rolling machine, and other auxiliary equipment. As one of leading spiral duct manufacturers, BLKMA not only manufactures these machines in-house with strict quality control, but also ensures all machines operate seamlessly together—allowing customers to achieve smooth production flow and stable processing performance.

1. Precision Forming & Excellent Aesthetic Result

Our spiral duct machines provide stable forming performance, ensuring ducts with accurate dimensions, smooth seams, and a clean, professional appearance. This high level of precision helps customers significantly enhance the quality and market competitiveness of their finished duct products.

2. Speed Optimization for Higher Productivity

Through multiple structural upgrades and mechanical optimizations, BLKMA has greatly improved production speed and molding efficiency. Customers can produce large volumes of ducts in less time, reducing labor cost and boosting output capacity.

3. Enhanced Structural Design for Long-Term Reliability

BLKMA's robust machine design increases stability during high-speed forming, reduces machine vibration, and prolongs service life—even under continuous heavy-duty operation.

4. Complete Matching Equipment for Full Production Lines

Unlike suppliers that only offer a single machine, BLKMA provides a complete line of equipment including:

spiral duct machines

Round elbow machines

Angle steel round rolling machines

Plasma cutting machines

And other complementary units

This ensures customers receive a fully compatible system that delivers seamless production and minimizes adjustment time.

5. Global Customer Recognition

Thanks to consistent technical improvements and outstanding forming results, BLKMA spiral duct machines have earned widespread praise from customers worldwide. Our machines have become a reliable choice for HVAC duct factories seeking long-term performance and stable output.

How to Choose Spiral Duct Machine from BLKMA

• Spiral duct forming machine: Adopting duct mold structure, this spiral tube former machine is faster with more coincident diameter than traditional steel strip type spiral duct making the machine. The length of duct cutting can be controlled according to your own requirement with perfect cutting effect. Cutting method is non-noise cold shearing.

• Elbow making machine: The shrimp elbow machine adopts vertical working table with the switch of single side and bilateral sides. Advantages of this machine are the easy operation and perfect effect. Our company can provide two controlling types electric and hydraulic types for customers.

• Angle steel rolling machine: This spiral tube former machine can roll angle steel and flat steel according to the fixed size to meet the production of round duct flange sides.