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SPECTRUM INDUSTRIES

Maharashtra Ho, Mumbai, Maharashtra

| GST  27AGRPM6687Q1Z0

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Diffusers

Our range of products include High Capacity Slot Diffuser, Laminar Flow Ceiling Diffuser, Architectural Swirl Diffuser, Linear Diffuser, Round Ceiling Diffuser and Slot Diffuser.

High Capacity Slot Diffuser
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COSMOS CUSTOM FLOW linear diffusers are specifically designed for the most demanding architectural and performance applications. These units are constructed of extruded aluminum for the crisp,clean appearance demanded of a premium linear product. The Custom Flow series is offered in a wide range of mounting styles and is adaptableto most applications.This series of diffusers is available in two basic air pattern configurations,horizontal(Ad justa Slot) and vertical (Jet Slot). Custom Flow is available in straight and curved sections with various m ling arrangements in drywa ll and T-Ba ceiling systems.
Adjusta Slot • Continuous Slot Linear COSMOS AS series linear is primarily designed for ceiling installations requiring horizontalair patterns. This unit produces a strong, even air pattern, para llel to its face,utilizing the ceiling (Coanda) effectto hold its pattern at a wide range of airflows. A continuous application would typically be at the perimeter of a zone in which a large air volume must be introduced as inconspicuously as possible. The design of these units makes them particularly suitable for open office perimeter zones, main floor entrance foyers and lobbies, elevator lobbies, conference rooms,mall atriums and theatres. 

Adjusta Slot - Engineered Plenum 

Cosmos seriesdiffusersareavailablewith factory-builtandtested plenumassemblies in various sizes. These are available in uninsulated and insulated versions. 

ASP/ASPI engineered plenums must be used in all ducted applications to assure catalogued performance. 

Adjusta Slot - T-Bar Lay-In 

Cosmos AST series diffuser is designed to be installed between two tee bars allow­ ing the designer to maintain a linear slot appearance in standard T-bar modules. This highcapacity diffuser,with engineered plenum and fully adjustable pattern con­ trollers, is an excellent selection for VAV applications in interior spaces. 

Adjusta Slot - 4-Sided Diffuser 

ASM Series diffuser is a square, T­ Bar lay-in ceiling diffuser which consists of a single slot Adjusta Slot linear at the perimeter of a 24" x 24" ceiling module with center acoustical tile.TheASM comes complete with its own factory built plenum. This unit is intended for applications re­ quiring a square lay-in diffuser with high per formance and minimal visibility. The field adjustable pattern controllers allow for 1,2,3,or 4 way air flow patterns, ideal for office areas with changing tenants and layouts.

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Laminar Flow Ceiling Diffuser
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COSMOS LFD Series Laminar Flow Diffusers have been engineered to provide a uniform vertical projection of supply air at cont rol led low velocity. The downward projection or “piston” motion of supply air, combined with low-level exhaust or return air inlets is ideal for cleanroom or operating room applications. The laminar flow diffuser introduces clean supply air to the space wi t h minimal entrainment of room air due to its low initial face velocity.

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Architectural Swirl Diffuser
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The principal feature of this product is to create helical air stream discharge of supply air resulting in a high induction ratio and a rapid consolidation of supply air and room air temperature. The diffuser has an ability to handle high air charge rates with draught free mixing. The diffuser comprises of aluminum pressed fascia having redial supply are acute angles deflectors which are adjustable for directional flow and are powder coated stove enamelled black.


COSMOS Swirl diffuser with adjustable blades presents a convenient air distribution element consisting of a box and a front panel. The diffuser front panel is comprised of radially arranged, individually manually adjustable blades, through which air is supplied into the working area. The ceiling swirl diffuser is
connected to the air duct system via a flexible round hose, in either vertical or horizontal configuration. 

The slotted rotary face design and circular pattern of slotted blades provides the swirl air distribution all over the occupied area. Due to the rotary swirl motion of air, discharge induction of air occurs very quickly, thus resulting in rapid decay of supply air velocity and temperature differential.

Flush mounted square ceiling diffuser designed specifically for T???bar lay???in application (tile replacement) for standard modular ceiling grid sizes.

COSMOS swirl diffuser model ASD can be used almost all installations. They can be supply as diffuser face only, and as a diffuser combined with volume control damper. 

The plenum box can be supplied with top or side entry spigot and volume control damper if required.

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Linear Diffuser
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Linear Diffuser

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Linear diffuser is designed to provide a continuous run of diffuser offering one or two way blow air patterns. Its high capacity makes it suitable for the modern open office areas.

Linear diffusers are designed for installation in the ceiling or high side wall and are used for supplying air to conditioned spaces both for cooling and heating. The diffusers have fixed vanes and provide a horizontal air path parallel to ceiling or wall. High diffusion rates bring about fast equalization of temperature and velocity of the mixed air mass above the occupancy zone.

COSMOS make linear ceiling diffusers feature excellent induction. Mixing of the air jets with the room air and thus the heat exchange begin in the immediate neighborhood of the diffuser.

Therefore colder air can be supplied without draft effects. 

COSMOS standard model LDOW is linear ceiling diffuser designed to provide one way deflection and model LDTW is for two way deflection. They are capable for high air volume. Diffuser has a standard 12mm wide flat surface flange frame with blade fixed at 45???, set on a maximum pitchof 25mm.

A choice of individual or continuous diffuser lengths can be selected. Mitered corner sections maintain a continuous appearance.

Linear diffusers are suitable for use on supply or exhaust systems. The high air volume capacity and low resistance make it ideal for use with ceiling mounted fan coil units. 

The linear ceiling diffusers with removable blade grating provide easy mounting. They look very attractive and warrant for optimum discharge conditions. Diffuser can be provided with rear mounted opposed blade damper adjustable by removable of diffuser core. The integral volume control damper shall be of the opposed blade type and constructed of aluminum.

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Round Ceiling Diffuser
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Round Ceiling Diffuser

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Circular ceiling or duct mounted diffusers, are capable of a high aspiration rate and have the capacity to handle large volumes of air at relatively low sound levels for supply and extract applications, making these diffusers particularly useful for installation in open plan areas such as auditoriums, airport lobbies, supermarkets and factories. 

Round diffusers are always considered as heavy duty air distribution devices having a wide range of applications in heating, air conditioning and ventilation systems. Round diffusers provide an unusually uniform horizontal airflow patterns.
They are intended for application in air conditioning and ventilation systems in civil as well as industrial zones. Suitable for cooling and ventilation systems for wide diffusion effect. 

Round diffuser can be installed on false ceiling or exposed duct work. They offer a unique role in diffusing and exhausting air to and from the conditioned space. Suitable for offices, shops or similar premises where adjustable patterned diffusion is essential for cold air distribution. 

COSMOS make round diffusers are designed for the applications of HVAC systems with high performance and noise???free operation. Round diffusers have the capacity to handle large volume of air at low sound levels for supply and extract applications. The diffusers deliver the air in a true 360 degree radial horizontal pattern and produce excellent performance in variable air volume systems.

COSMOS round diffuser give one more option to the interior designer, to provide draft???free supply air to air conditioned spaces. A removable core only simplifies installation but also improves aesthetics by eliminating all visible holding screws.

COSMOS round diffuser model ARD can be used almost all installations. They can be supply as diffuser face only, and as a diffuser combined with volume control damper.

The plenum box can be supplied with top or side entry spigot and volume control damper if required.

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Slot Diffuser
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Slot Diffuser

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Linear slot diffusers are always considered as the most attractive air distribution devices. They are specially designed for ceiling mounting in a wide range of applications in heating, ventilation and air conditioning systems.

At a perfect setting, linear slot diffusers provide a stable pattern of diffusion to produce an optimum performance for both supply and return air in addition to their pleasant appearance. 

COSMOS Linear slot diffusers have been developed to satisfy architectural and engineering applications that require a continuous length appearance, aesthetically pleasing design and high engineering performance.
Slot diffuser models SD???50, SD???75 and SD???100 are designed to give a comprehensive and full range of air flow patterns and volumes. Their deflector blades and volume control dampers give a full flexibility in air pattern and volume control. These are fully adjustable from the face of the diffuser.

Single or multiple slot arrangements can provide any combinations of horizontal, vertical or anyintermediate setting of air flow pattern over a full range of 180° adjustment, as each slot is individually adjustable.

Model SD???50 has slot width of 12.5mm, SD???75 has slot width of 19mm and SD???100 has slot width of 25mm. These slot diffusers are used for both supply and return applications. 

COSMOS slot diffusers are manufactured in one up to eight slots with a maximum one piece length of 2.5 meters as a standard permitting complete control of flow rate without disturbing the selected air pattern.

Flanges on both sides are supplied on one piece linear slot diffusers, and on one side of end sections of continuous units. Also diffusers are available with mitered corner.

When installed in the ceiling these diffusers provide a horizontal air path that is adjustable through 180° in each slot. One through eight slot diffusers can be adjusted to provide one way or two way air patterns.

A vertical downward pattern can be adjusted from all slots as can a combination horizontal pattern and vertical downward pattern from a two or more slot diffuser.

When installed in a side wall near the ceiling or in a sill, these diffusers can be adjusted to direct the air path upward to the ceiling and then horizontal along the ceiling.

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Disc Valve
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Disc Valve

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Air valves offer a simple yet effective means of providing supply and extract air for most commercial, industrial and domestic ventilation applications. The disc valves consist of a valve ring, central disc and installation sub frame.

COSMOS disc valves are best suited to air distribution system handling relatively low air flow rates within small circular ductwork.

Disc valves are Ideal for handling exhaust of greasy and damp areas like kitchen, restroom etc. They can be use for ventilation as well as supply applications.

The air volume flow rate is adjusted by rotating the central disc which alters the size of the gap. This results in changes to acoustic and pressure drop figure. The central disc is held in position with a locknut. 
 
  Product Features
   
Extruded aluminum construction.
Special disc valve design ensures uniform air distribution.
Exhaust air valves designed for installation on the ceiling.
Easy air flow adjustment by turning the central part.
The blocking nut makes it possible to adjust a minimum slot.
Special design ensures low noise level.
High quality finishing and modern design.
Installation flanges make it easier to connect the valve to the installation. Equipped with a mounting flange for easy connection to round ?? 100???200 mm air ducts.
Quick and easy installation.
Painted powder coated finish (RAL 9016).

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Displacement ventilation systems, as the name implies, rely on a displacement process of the supply air into the occupied zone. Typically the supply air is introduced at low level and at a low velocity to displace the room air and provide layers of cool fresh air in the occupied zone while the extract removes stale air at high level.

The displacement diffusers are ideally suited for use in areas with high heat loads requires. By using the effects of convection to lift the supply air from heat sources, whilst at the same time removing any pollutants, the air is then extracted at high level, thus creating an even temperature, draught free, clean environment.

COSMOS displacement diffusers are designed to produce a low turbulence horizontal air supply in 180 degree pattern. Typically installed against a wall or pillar that discharges air evenly across its perforated face. The cool air then drops to the floor and gently floats into the occupied zone. This appealing diffuser meshes seamlessly into any décor, providing a curved detail to the space.

COSMOS make CDD-SC is a semi-circular displacement diffuser with a 180 degree air discharge pattern. It is great for wall or surface mount applications and can be easily integrated into semicircular building columns.

The superior air quality and low noise levels realized with the CDD-SC make it suitable for office spaces, hotels, convention centers, schools or any application where air quality demands are high. The CDD-SC can supply a large volume of air at low velocity into the occupied zone. 
 
  Construction
 
Displacement diffuser CDD-SC built in standard construction, sizes and surface finishes. The casing is made from galvanized sheet steel with circular inlet spigot. The outer active casing is made from perforated sheet steel plate with 3 mm diameter holes.

An inner casing with integrated elements guarantees equal air distribution over the whole surface. The surface finish is powder coated RAL 9016.

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The COSMOS make Square Plaque Diffuser design delivers both architectural appeal and engineering performance criteria. The simple, clean and unobtrusive face design is intended to blend with most ceiling systems. The architectural plaque diffusers feature a 4-way horizontal ceiling pattern effective for cooling applications where a clean ceiling appearance is required.

Plaque diffusers consist of a fabricated backpan with an integral round collar and a removable plaque face. The plaque is held in place with four brackets that positively engage into the backpan.

The face panel is constructed from 20-gauge (1mm) heavy gauge aluminum. The edges of the face panel are formed to a radius for a solid, crisp appearance. The face panel appears flush with the ceiling and has smooth edges and rounded corners to blend with the back cone.
The face panel is held in place by four hook brackets that positively engage into slots in the backpan The panel can be removed from the backpan for easy installation of the diffuser or for access to the optional damper. 

The plaque is made of dual thickness metal, which results in a clean appearance due to the absence of spot welds and rivets.

For the inlet of diffuser, round butterfly damper can be used to modulate the air volume.

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