Air Duct Corner Code, also known as Plate Flange Duct Angle Code, common plate flange corner code, Duct Flange Corner.It widely used in the production and manufacture of common plate flange air ducts.

It is a corner code fitting for fixing and connecting air ducts. It's stamped using a professional punching machine. It‘s available in carbon steel and stainless steel. It commonly used specifications are thickness 0.8mm, thickness 1.0mm, thickness 1.2mm.