Duct Flange, also known as the flangeless duct angle code, the common plate angle code is a corner code accessory that plays a role of fixing and connecting in the production process of the common plate flange air duct. It is in the shape of a 90-degree right angle. There is an ellipse with a length of 8mm and a width of 10mm at the corner, which is used to connect the air duct through screws. It is a necessary accessory for the production of common-plate flanged air ducts.

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1)High quality because of our skillful and professional engineer.

2)Short delivery time because of our advanced automatic equipment.

3)OEM service is available.We could manufacture the products according to your sample or drawing.

Exactly, Heating, ventilating, and air conditioning a building is in a forced air system and accomplished by using ductwork, SAIF is just the factory mainly produce various kinds of elements used in the DUCTWORK, Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air. Ducts commonly also deliver ventilation air as part of the supply air. As such, air ducts are one method of ensuring acceptable indoor air quality as well as thermal comfort.