We use duct manufacture auto line with latest software and advanced equipments to fabricate rectangular duct.This allows us to provide incredibly short lead-times and competitive pricing,while maintaining the highest level quality.
We will ship the ducts as your requirement :unassembled or assembly.If unassembled, it will save more space.
Before inquiry,please specify thickness,density and material to meet your specifications.
Material:stainless steel coating 304-316 or galvanized steel
Connection: TDF flange or TDC flange or drive slip
Seam and Connection
Rectangular duct is fabricated using Snaplock or Pittsburgh lock longitudinal seams.Upon request,sealant can be applied inside of the lock seam.We abopt a synthetic polymer-based,non-oxidizing.Non-drying sealant that is applied to duct joints at the roll-forming line.
Assembly instructions(TDC flange connection): • Only use undamaged Rect duct and fittings. • Apply continuous gasket to effectively seal flanges and corners. • Fasten the duct and fitting together with bolts & nuts at four corners. • Mating flange shall be locked together by duct clamps spaced at centers not exceeding 200mm.