fresh air intake

7/31/2019 Fresh Air Intake

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A Member ofMADE IN QATAR

FRESH AIR INTAKE

LOUVERS


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CAT DUCT PRODUCT RANGE

GI Rectangular Ducting

GI Spiral Ducting

Aluminum Ducting

Stainless Steel Ducting

Black Steel Ducting Fire Rated Ducting

Rectangular Volume Control Dampers ( GI & SS )

Round Volume Control Dampers ( GI, SS & AL )

Fire Dampers

Air Filters

Access Doors

VAV

Sound Attenuators Back Draft Dampers

Metal Cladding ( AL & SS )

Fresh Air Intake Assembly

S.S. Kitchen Equipments

CAT DUCT PRODUCTS ARE WIDELY APPROVED

AND USED IN QATAR INCLUDING PROJECTS FOR

KAHRAMAA, ASHGHAL, PEARL QATAR ETC.


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Description

The frame and blades are of high quality extruded aluminium profile construction with the advantagesof corrosion resistance and rigidity

Composed of two sets of inverted U - channels mounted vertically on two opposite rows

Drain holes of 20mm diameter are provided in two rows at the bottom of the louver for emptying

filtered sand and dust

Can be manufactured from galvanized steel sheets

Designed to separate sand and dust from the air steam

Generally used for ventilation application and at inlet duct of air handling unit

Standard finishes

Natural aluminium anodized finish

Finish as per RAL colour codes

Flexibility of finishing available as an option


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FRESH AIR LOUVER FOR EXTERNAL

AIR INTAKE APPLICATION

SAND TRAP LOUVER FOR EXTERNAL


Description

Louvers are designed for both intake and exhaust air service

in commercial applications.

Total structure is weather proof and blades are inclined

downwards to protect against rainwater. The fresh air louver

is used to allow fresh clean air to the air handling units.

Construction

Fresh Air Louvers casing /frame is manufactured from

extruded aluminium.

Blades are inclined at 45 on 45mm blade pitch centre to

minimize water ingress.

Insect screen will be fitted at the backside to protect entering

of insects.

Insulating gasket is fixed around the back of the frame to

prevent infiltration between the louver frame and casing.

Frame & Louver: Aluminium Extrusion

Insert Screen: Galvanized Steel Mesh

Optional: GI 20 GA Frame & Blades

Description

The sand trap Louver is used as prefilter for the protection of

air conditioning plants in areas exposed to extreme levels of

industrial pollution. It has high degrees of separation of

sand and large dust concentrations. The vertically arranged

sections and open for sand drainage ensure that the sand

trap louver is self-cleaning and maintenance free.

Construction

Sand trap Louvers with vertical slots are designed to separate

dust and sand from air stream. It will separate 80 percentage

of solid particles retained in the atmosphere.


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ALUMINIUM FILTER FOR EXTERNAL


DescriptionAluminium filters are permanent filters with layers of

aluminium slit and expanded into mesh of differing

densities, encased in galvanized steel frame.

Aluminium filters are permanent filters and are washable

type panel filters made up of 9 ply aluminium filter media

in single layer or two layers encased in galvanized steel

frame.

Construction

Filter outer casing made from GI sheet of 1.2mm thickness.

One end of casing closed with a door by which we can

remove filter for cleaning purpose.

Door fixed with Piano Hinges and door locked by means

of cam lock arrangement.

Outer Casing with 25mm flange outside made up of GI

18 Ga.

Filter Frame: GI 22 Ga Thickness

Optional: Aluminium Extrusion

The frame and baffles are made from 1.0 mm (20 Ga) thickness

GI Sheet. Construction allows air stream pass through thevertical restriction where all the sand particles falling down-

wards are collected in a tray.

Outer Casing with 25mm flange outside allows STL to be

assembled along with louver and filter sections.

Vertical Frame: GI 20 Ga Thickness

Optional: Aluminium Extrusion

Outer Casing: GI 18 Ga Thickness

Vertical Frames

Outer Casing

Sand Collecting Tray

Washable Filter Media

Outer Casing


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SAND TRAP LOUVER

WITH BIRD SCREEN

ConstructionFrame and blades:

1.5mm and 1.2mm thick high quality extruded aluminium

profiles.

Bird screen

12mm x 12mm x 1.5mm dia aluminium wire mesh as

standard.

12mm x 12mm x 1mm dia G.I. wire mesh as optional.

Drain20mm dia self drain holes at the bottom of the louver.

Description

Polyfiber CPFRT20 model filters are flat type panel filters

made up of G2/G3/G4 or F5 grade synthetic filter media.

In this type the filter media pad is encased in a metallic

frame (galvanized steel), bonded properly to ensure a

leak-free operation. A wire mesh having 98% open area

is provided on the upstream and down stream which

reinforces and supports the filter media.

Construction

Filter outer frame made from GI sheet of 1.0mm thickness.

Filter media encased by 12mm x 12mm galvanized metallic

frame.

Above the size of 800mm, a separate reinforcement strip

will be provided to strengthen the structure.

Generally high efficiency filter comes next to the aluminium

washable filter.

High Efficiency Filter

Polyfibre with wiremesh

HIGH EFFICIENCY FILTER FOR

EXTERNAL AIR INTAKE

APPLICATION


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CAT HVAC DUCT Manufacturing Division Unit 1, Street No. 37 | Unit 2, Street No. 40 | Unit 3, Street No. 34,Salwa Industrial Area Tel: (+974) 460-7292 Fax: (+974) 460-7731

Email: [email protected] Website:www.aac.com.qa

fresh air intake

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