Good points

Brand: Econox
For duct grilles
Volume control
Galvanized steel

Spiral Duct Grille Damper 425x75mm for Pipe 160 to 400mm - DGS-D425x75

The spiral duct grille damper of 425x75 mm is a robust and efficient solution for air supply in spiral ducts with a diameter of 160 mm to 400 mm. This high-quality grille is made of galvanized steel and features adjustable vertical and horizontal slats. With a free airflow of approximately 70%, depending on the slat position, and pre-drilled threaded holes, this duct grille is easy to install and delivers optimal performance. With a height of just 75 mm, this grille is suitable for versatile applications, such as in the hospitality industry, retail, and industrial sectors. The combination of vertical slats at the front and horizontal slats at the rear makes the grille flexible and perfect for various air supply solutions.

Specifications of the Spiral Duct Grille Damper

Material: Galvanized steel
Dimensions: 425x75 mm
Suitable for spiral ducts: Diameter of 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	8719544286932
Manufacturer's item number	DGS-D425x75
Article number	76020084

Specifications

Category code	243
Material	Steel galvanised
Nominal duct width	425 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	460 mm
Working length	110 mm