Round Duct Flanges

  • Abrasion-resistant
  • Corrosion-resistant
  • High tensile strength
  • Finest quality of flanges at affordable rates

Located in China, Biyang specializes in the design, manufacture and supply of industrial and commercial application.  Recognized as a top-tier in innovative flanges technology, we take pride in our decade-long reputation of offering optimum quality and works to maintain and advance our standards of excellence.

Round duct flanges are usually welded or pressed and provides exceptional airtightness  in air distribution system.  Flanges are the fittings that connect pipes, duct fittings and other components to the ducting system, and the round duct flanges are used for spiral round duct, welded round duct like stainless steel duct and galvanized duct.  Flanges are usually welded or bolted, which also provides easy inspection and modification.  Sizes range from 4-inch duct flange to large size duct flanges.

We at Biyang offers the best quality of round duct flanges that are durable and comes at an affordable price.  Being a top-rated product, our selection of premium flanges can be availed for different round duct sizes and specifications.

As a manufacturer of air system products for many years, Biyang have enveloped our mind to make your satisfaction as our top priority.  Our flanges are well appreciated in the insulation industry and the global market due to its features.  Due to certified materials used in production, our flanges guarantee to be of service for many years that will save both time and your money.

Round ductwork flanges are typically used for industrial, commercial, and other multi-story application.  These round duct flanges are available in variety of style, finishes, and pressure capacities.  In addition, usually flanges requires specifying the pipe bore to ensure they will match.  Biyang supplies wide variety of duct flange types in galvanized steel, stainless steel.  We can also provide rectangular duct flange and special flanges of specific sizes depending on the customer’s request.

Biyang has been standing firm at the ground of this industry for many years.  The success of our customer is the fuel that drives us to our success.  Outstanding quality at discounted prices is what you will find at Biyang.  We work tirelessly day by day to provide you the lowest cost on round duct flanges.

  • First-rate customer service
  • Deliver successful results
  • Straightforward pricing policy
  • Upholds excellence in our products, services, and people
  • Provided with the R&D Department to continuously provide a creative and innovative product line
  • Recognizing customer challenges in a polite professional manner
  • Providing informed solutions through our highly-qualified engineers.
  • ISO-Certified company

We pride ourselves on our dedication to strengthen our reputation for quality, service, integrity and excellence in all aspects of a business.  As one of the largest manufacturers of round duct flanges, we are capable of producing tens of thousands of units daily to supply and meet the ever-increasing demands of the market.  We also offer all sorts of duct flange from spiral duct flange up to rectangular air duct flange.

Biyang has an extensive inventory of parts always available at discounted prices.  With a full list of modes from many of the world’s top brands, customers can always find the parts they need, at reasonable prices and quality they deserve.

To know more about the unique benefits of our products, contact us toll-free (beyond@bi-yang.com).

ProductRound Duct Flanges
MaterialGalvanized steel, stainless steel
Thickness2.0mm-4mm