Spiral Duct Grilles - Lindab

Ventilation Ducting  | Ventilation Grilles & Louvres | Grilles & Louvres Manufactured to Order |  Spiral Duct Grilles - Lindab


RGS Spiral Duct Grilles

RGS is a rectangular ventilation grille with vertical adjustable bars for direct installation in circular ducts without the need for a boot or special take-off. They can be used for both supply and exhaust air.

These grilles are designed in such a way that the flanges always meet flush to the duct regardless of the duct diameter. They also come equipped with end caps and a gasketing material installed around the neck of the grille. This prevents air leakage. RGS grilles are manufactured from hot-galvanised sheet steel, and are assembled without the use of welding. This means that they can be used without further surface treatment, and that they have the same surface finish as the duct on which they are mounted. Screws are included.

75mm grilles are best suited to 125 dia ducts, up to 315 dia.

150mm grilles are best suited to 300 dia ducts, up to 500 dia.

225mm grilles are best suited to 500 dia ducts and above.

If you wish to install conventional ventilation grilles on exposed spiral ductwork please see our grille saddles.

Please note we carry a limited stock of these grilles. Please call if you wish to check on stock before making a purchase.



Lindab Spiral Duct Grille - Single Deflection
RGS-0


See drop down list for sizes and corresponding prices. First figure applies to height, second to width.



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Lindab Spiral Duct Grille - Single Deflection

Lindab Spiral Duct Grille - Double Deflection
RGS-1


See drop down list for sizes and corresponding prices. First figure applies to height, second to width.



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Lindab Spiral Duct Grille - Double Deflection

Lindab Spiral Duct Grille - Single Deflection with Blade Damper
RGS-2


See drop down list for sizes and corresponding prices. First figure applies to height, second to width.



Size





Quantity:


Lindab Spiral Duct Grille - Single Deflection with Blade Damper

Lindab Spiral Duct Grille - Double Deflection with Blade Damper
RGS-3


See drop down list for sizes and corresponding prices. First figure applies to height, second to width.



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Lindab Spiral Duct Grille - Double Deflection with Blade Damper

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