Spiral Duct Mounted Double Deflection Grille -

Spiral Duct Mounted Double Deflection Grilles

This range of spiral duct grille has been designed for fitting directly into spiral ducting without the need for a fabricated take off spigot. Made from galvanised steel plate. Comes with adjustable horizontal blades at the back and vertical blades at the front of the grille. An optional damper can be fitted to the rear of the grille if required. Suitable for supply or extract systems. Installed with self tapping screws through the pre-drilled grille frame. 

Grilles with a height of:

75mm are best suited to ducts of 160mm⌀ to 400mm⌀

125mm are best suited to ducts of 250mm⌀ to 900mm⌀

225mm are best suited to ducts of 500mm⌀ to 1400mm⌀

See also our range of fabricated grille boxes, suitable for spiral ducting and can be made to any size and a wider ranger of grille options:

https://www.cveshop.co.uk/cveshophome/cat_1741053-Spiral-Duct-Grille-Box-MADE-TO-ORDER.html