Good points

Brand: Econox
For duct grilles
Volume control
Galvanized steel

Duct Grille Spiral Damper 825x75mm for Pipe 160 to 400mm - DGS-D825x75

The duct grille spiral damper of 825x75 mm is a reliable and efficient solution for air supply in spiral ducts with a diameter of 160 mm to 400 mm. This duct grille is made of durable galvanized steel and equipped with adjustable vertical and horizontal slats. With a free airflow of approximately 70%, depending on the position of the slats, and convenient pre-drilled threaded holes, this grille is easy to install and delivers excellent performance. The height of 75 mm makes it suitable for various applications, such as in the hospitality, retail, and industrial sectors. Featuring vertical slats at the front and horizontal slats at the rear, this grille provides additional flexibility and optimal airflow.

Specifications of the Duct Grille Spiral Damper

Material: Galvanized steel
Dimensions: 825x75 mm
Suitable for spiral ducts: Diameter from 160 mm to 400 mm
Free airflow: Approximately 70%, depending on the slat position

Dimension Overview for Duct Grilles

Height of duct grille	Suitable for spiral ducts with diameter
75 mm	150, 160, 180, 200, 250, 315, 355, 400 mm
125 mm	315, 355, 400, 450, 500, 560, 630, 710, 800 mm
225 mm	630, 710, 800, 1000, 1250 mm

Brand	Econox
Category	Volume control for duct grille
GTIN	8719544286963
Manufacturer's item number	DGS-D825x75
Article number	76020087

Specifications

Category code	243
Material	Steel galvanised
Nominal duct width	825 mm
Nominal duct height	75 mm
Connections	Insert end
With pre-mounted seal	No
Operation	None
With room/duct pressure difference sensor	No
With acoustic sheathing	No
Length	860 mm
Working length	110 mm