Concentric Reducer from 400 To 630

Concentric  Reducer seamlessly bridge the gap between square or rectangular ductwork and round connections, facilitating smooth transitions where needed. Whether linking ventilation equipment or navigating confined spaces, these fittings ensure optimal airflow distribution.

Compliant with DW144 standards, our square to rounds feature a maximum slope angle of 22.5° and a maximum offset of 30°. In instances of significant size disparity between square and round ends, lengths may vary accordingly. Specify your desired width, depth, diameter, and round end fit for a tailored solution.