Air ducts used in flange joints for maximum stability profile has been designed to provide sealing and ease of installation. A, B ,C Classes are suitable to ensure sealing flange of the sheet metal duct assembly joint. İn order to give impermeability to placement joints of the flange, butyl mastic is applied along the flange. İt is produced in different çualities and thickness according to need. Flanges are made in 20,25,30,35 mm dimensions in accordance with the TSE DX51 -betvveen 0.60 and 0.8 and are manufactured from galvanized sheet. İt is mounted on rectangular ducts with Punch machine çenter or screvvs. İt is also manufactured from stainless Steel and Produced in Standard length of 4-5 meters. Oray air duct will have the brand of its registered trademark.
