Duct grille double adjustable 425x75 mm for spiral pipe Ø 160-400
The spiral pipe duct grille 425x75 mm for air supply is a galvanised steel duct grille with adjustable vertical and horizontal slats. Due to its height of 75 millimetres, the spiral pipe grille is suitable for spiral pipes with a diameter of 160 mm to 400 mm. The duct grille has pre-drilled threaded holes and has a free passage of approximately 70%, this depends on the position of the vertical slats, also called vanes. See the specifications for the recess in the spiral pipe, these are named as nominal height and width dimensions.
The supply grilles are often used in the catering industry, retail, industrial and production halls, wondering if these grilles are suitable for you? Then please feel free to contact us.
In addition to the double adjustable duct grille (GS130 series) we also offer the individually adjustable duct grilles (GS120 series). These duct grilles are fitted with vertical vanes at the front and horizontal vanes at the rear, this grille is suitable for air supply.
Which size duct grille fits in a spiral pipe?
|Height of duct grille||Suitable for spiral pipes with a diameter|
|75 mm||150, 160, 180, 200, 250, 315, 355, 400 |
|125 mm ||315, 355, 400, 450, 500, 560, 630, 710, 800 mm |
|225 mm ||630, 710, 800, 1000, 1250 |