Air Distribution

Naudens offers a full range of air distribution products, we manufacture all items in house. Items include, weather louvres, door grilles and flex ducting to name a few. See our full offering bellow and don’t hesitate to contact our sales team for the answers to any and all questions.

Double Deflection Grille

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Product Description

DD – DOUBLE DEFLECTION FRAME

DD Grilles are manufactured of extruded type anodising grade aluminium. The SD has individually adjustable horizontal and rear vertical louvres.

The two sets of individually adjustable louvres with or without OBD?s, allow these grilles to provide maximum flexibility of adjustments for spread and throw requirements. The multi directional flexibility allows multi-directional air supply.

STANDARD FRAME :

30mm.

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING EPOXY POWDER COATING

BLADE SPLICING :

13mm

19mm (STANDARD)

26mm

Door Grille

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Product Description

STRIP GRILLE – SGS / SGT

DG Grilles complete with telescopic back frame manufactured of extruded type anodising grade aluminium. Grilles have fixed horizontal chevron blades.

The DG is also available without the back frame

STANDARD FRAME :

22mm.

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

EPOXY POWDER COATING

Volume Control Damper

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Product Description

DMP – VOLUME CONTROL DAMPER

Multi-blade damper for air pressure and volume balancing and control in the HVAC.

Blades :

Opposed action airfoil blades made from extruded aluminium, blade spacing

Bearings :

Raised rim hole

Gears :

Internal gears made from special plastic, located at both ends of the blade

Drive Arm :

Coupled in mid position, made from aluminium 12 x 12mm square tubing. Shaft extended 90mm over frame

Frame :

Made from 1.25mm profiled steel plate.

Depth 120mm

Flange 30mm

C profile with borehole

Service Temp :

-20 degrees celcuis to 80 degrees celcius

Airtightness :

Class 2 in acc. With EN 1751

Egg Crate Grille

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Product Description

ECP & ECA – EGG CRATE GRILLES WITH ALUMINIUM OR PLASTIC CORE

ECP Grilles manufactured with frame of extruded type anodising grade aluminium and high-density styrene core 13mm spacing and 2mm thick core.

ECA as above but with an aluminium core 15mm spacing and 0.5mm thick core.

STANDARD FRAME :

25mm.

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

EPOXY POWDER COATING

Plenum Box

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Product Description

PLENUM BOX

Plenum Box manufactured of galvanised Flat

Flat sheet with top or side entry spigot.

Plenum boxes are standard uninsulated, but insulated Boxes can be arranged.

Plenum boxes fit over the neck of a grille

Egg Crate Grille with Hinged Door

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Product Description

ECP & ECA – EGG CRATE GRILLES WITH ALUMINIUM OR PLASTIC CORE WITH HINGED FRAME

ECP Grilles manufactured with frame of extruded type anodising grade aluminium and high-density styrene core 13mm spacing and 2mm thick core.

ECA as above but with an aluminium core 15mm spacing and 0.5mm thick core.

STANDARD FRAME :

30mm.

FINISH OPTIONS :

NATURAL ALUMINIUM

EPOXY POWDER COATING EPOXY POWDER COATING

Return Air Grille

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Product Description

Return Air Grille

RA Grilles are manufactured of extruded type anodising grade aluminium. The RA has a fixed blade profile and gives low see through characteristics.

The grille can be mounted vertically or horizontally.

STANDARD FRAME :

30mm

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

BLADE SPACING :

19mm

21mm (STANDARD)

26mm

Single Deflection Grille

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Product Description

SD – Single Deflection Frame

SD Grilles are manufactured of extruded type anodising grade aluminium. The SD has individually adjustable horizontal louvres.

STANDARD FRAME :

30mm

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

BLADE SPACING :

13mm

19mm (STANDARD)

26mm

Opposed Blade Damper

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Product Description

OBD – OPPOSED BLADE DAMPER

OBD’S are manufactured of mill finished aluminium frames and extruded aluminium blades.

Blades are held in place by spring wire and starlock push on fix the blades are lever operated.

OBD’s suit all standard grilles and diffusers.

Strip Grille

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Product Description

STRIP GRILLE – SGS / SGT

SGS/SGT Grilles manufactured with of extruded type anodising grade aluminium with fixed blades. These grilles can be used either vertically or horizontally. They can be used as supply or return air grilles.

STANDARD FRAME :

30mm

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

BLADE SPACING :

13mm

19mm (STANDARD)

21mm

Transfer Grille

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Product Description

TAG – TRANSFER AIR GRILLE

TAG Grilles are manufactured of extruded type anodising grade aluminium. We use RA grilles, that go back to back.

STANDARD FRAME :

30mm

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

BLADE SPACING :

13mm

21mm (STANDARD)

26mm

Weather Louvre

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Product Description

WL – WEATHER LOUVRE

WL Grilles manufactured with of extruded type anodising grade aluminium. The fixed horizontal blades are held in place by aluminium pop rivets.

The louvres are fitted with wire mesh as a standard. PVC mesh and Insect mesh can be fitted on request. They can be used as supply or return air grilles.

STANDARD FRAME :

50mm

BLADE SPLICING :

50mm

The blade spacing is varied slightly to ensure that top and bottom blades fit flush with the frame. For weather louvres smaller than 250 x 250 we would recommend using the small profile blade (WLP), with a 30mm frame.

Weather Louvre With Hinged Door

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Product Description

WLFF – WEATHER LOUVRE WITH HINGED FRAME

This grille consists of a fixed outer frame and a hinged inner frame with grille core. The filter media is positioned inside the outer frame behind the hinged grille section. The grille section is held closed by hidden clips. A handle can be provided for the opening and closing of the grille. The outer frame is a 50mm frame and the inner frame is a 30mm frame depending on size of the grille

FINISH OPTIONS :

NATURAL ALUMINIUM EPOXY POWDER COATING

EPOXY POWDER COATING

Diffusers

CVD’s

150 DIA / 200 DIA / 250 DIA / 300 DIA / 350 DIA available alt

CCVD’s

150 DIA / 200 DIA / 250 DIA / 300 DIA / 350 DIA available alt

Flexible Ducting

Product Description

Flexible Ducting

Flex Plain – 100 DIA / 150 DIA / 200 DIA / 250 DIA / 300 DIA / 350 DIA / 400 DIA / 450 DIA / 500 DIA

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Flex Insulated – 100 DIA / 150 DIA / 200 DIA / 250 DIA / 300 DIA / 350 DIA / 400 DIA / 450 DIA

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Disk Valves

The Disc valve is manufactured from sheet steel and is powder coated to standard white (RAL9010). The air valve has a lockable central cone which is rotated to adjust the pressure and consequently the air volume.

DIAMETER RANGE – 100, 150 and 200MM alt