Rectangular Duct Flange

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

Established in China, Biyang manufactures rectangular fittings for most sizes to fit your square metal ducting and rectangular duct.

Rectangular duct flanges are usually welded, or composed by duct flange straight and flange corners.  Flanges are the fittings that connect pipes, valves, pumps and other devices to the piping system.  This rectangular ductwork flanges not only enhances the firmness of the pipe connection, but also ensures the air tightness of the air circulation in the ductings.

Rectangular ductwork flanges are typically used for industrial, commercial, and other multi-story application.  Sometimes, flanges such as square duct flange requires specifying the pipe bore to ensure they will match.

Biyang supplies every type of duct flange in galvanized steel and stainless steel.  We can also provide special flanges depending on the customer’s request.  From round duct flanges, flat round flange, up to square duct flange, we can provide it for you.

To be your one-stop shop for air system components, Biyang ensures to have everything you need.  We offer different kind of ducting flanges that will suit your specific rectangular duct sizes and specifications, and other pipe requirements.  Our flanges options include weld neck flanges, blind flanges, slip-on flanges, lap joint flanges, threaded flanges, socket weld flanges, and so on.

Our flanges and other products undergo strict product evaluation to ensure their quality will meet or exceed the stringent industry standards.  Aside from flanges, Biyang is also known as a leading distributor of air ducts, fittings, and other air system products.  Biyang also accepts customized product orders to cater to your specific product requirements.  If found having trouble with air system product installation for your projects, we also offer special technical experts, which can be sent to your site to assist you with installation problems.

Don’t look elsewhere, with a comprehensive list of air ducts and fitting products, we are certain to have what you need.  Call now and get the best deals of air system products here at Biyang.  You can also message us on our email at beyond@bi-yang.com.

ProductRectangular Duct Flange
SizeCustomized as required
MaterialGalvanized steel, stainless steel
Thickness2.5mm-4mm