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Grilles for Spiral Ducts Single Deflection

Installed directly on a circular duct without frames or other fastening devices.

Used for large locations where the circular duct is visible, e.g. in warehouse, factories, workshops, gymnasiums etc.

Fits round ducts in diameter150-1400mm.

Made from galvanized steel sheet, alternatively can be supplied powder coated in RAL colour.

The vanes can be adjusted manually and individually to obtain an optimal air distribution.

Accessories and mounting: Inclined sliding damper visible screw mounting.


Norminal Size = H x L (duct opening size)

Neck Size = (H-20mm) x (L-20mm)

Face Size = (H+29mm) x (L+29mm)

2543 2

Related product:

Grilles For Spiral Ducts Double Deflection DGD & Spiral Ducts Grille Damper GDD

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