Spiral Duct Reducers

  • Standard Spiral End
  • Top-grade galvanized steel
  • Easy to assemble, easy to connect
  • Can be sealed and insulated if needed
  • Small end to be a direct fit inside next ducting section

Biyang is a recognized manufacturer of high-quality ductworks in China.  With over 25 years of expertise, the company lives up to its reputation that stands for quality and service.  These have been our core values to be ahead among our competitors.  All Biyang items are built to last, designed with the most utmost technologies in mind, and thus give more value to your money.

The spiral duct reducer is designed to reduce the width of the trunk.  By gradually decreasing its end size, it can provide an optimal air flow.  The Biyang spiral duct reducer comes in a variety of materials, sizes, and finishes.

Spiral duct reducers from Biyang are specially designed to perfect fit ducts of varied sizes.  All spiral duct fittings are manufactured from premium galvanized construction.  Both ends are made to be slightly undersized to perfectly fit and obtain maximum airflow through your system while changing to the needed duct size.

With over 25 years in producing high quality spiral ductwork fittings, our commitment to delivering high excellent, durable and lasting HVAC solutions remains as strong as ever.  We are driven by the loud support and patronage of our customers.  We work tirelessly day by day to provide you unbeatable duct reducers and other spiral duct fittings.

  • World-class customer service
  • 100% Satisfaction Guaranteed
  • Straightforward Pricing Policy, no hidden fees
  • Upholds excellence in our products, services, and people management
  • Provided with the R&D Department to innovate and expand our product line
  • Recognizing customer challenges in a polite professional manner
  • Providing informed solutions through our highly-qualified engineers

With the help of advanced technologies, we are here to provide a more diversified and expanded product line that provides innovative solutions for a variety of HVAC needs.  As a long-time spiral ductwork manufacturer, we have a fully-equipped production facility that covers 15,000 sq. ft. of area, and a high production capacity that produces 10,000 units daily to meet the ever-increasing demand in the market.  Day by day, we employ strict industry practices to exceed expectations through innovative way.  Customer satisfaction is our top priority.

Here at Biyang, we are committed to delivering high quality spiral duct tee and other spiral ductwork fittings for commercial and industrial use.  As the years go by, we remain true to our mission to be the one stop source of all your HVAC needs.

To know more about the benefits of our products and services, don’t hesitate to contact us on email at (beyond@bi-yang.com).  We look forward to getting to know you.

Contact us today.

ProductSpiral Duct Reducers
MaterialGalvanized steel, stainless steel
Thickness0.4/0.5/0.6/0.8/1.0/1.2/1.5/2.0mm