alpha ceiling square diffusers

7/30/2019 Alpha Ceiling Square Diffusers

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CEILING SQUARE DIFFUSERS


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CEILING SQUARE DIFFUSERS

Gontents

ALPHA Diffusers are designed for both supply air and return air purpose HVAC system, which handlesa wide range of horizontal Airflows to the requirements of design engineers. These are specially designedwhich also giving pleasing appearance to suit architectural needs to flush outlets and concealed fixingmethods.

Construction :. Extruded aluminum profiles for frame and cores with 1.0 mm thick and 33 mm flange width.. Louvered type cores as single unit is fixed to the outer frame by Aluminium pins loaded with

stainless steel springs.

. Damper frame and core : High quality extruded aluminum profile with natural aluminum finish.Black matt finish as option.

. Pressed Frame : High quality aluminum sheets are pressed to the different sizes of frame molds.Pressed frames with fixing holes for cores and ducts.Description :. The frame and blades are of high quality extruded aluminum profiled construction with the

advantages of corrosion resistance and rigidity.. Louvered type core is fixed to the frame with aluminum pins loaded with steel springs.. Core can be easily removable and interchangeable to allow for maximum flexibility in installation,

maintenance and damper adjustment.. Damper is fixed rigidity to the frame by aluminum rivets. Optional spring clips fixing available.. Opposed blades damper is screw operated from the face'opening of the diffuser after removing the

internal core.. Pressed cores and frames gives high performance than the extruded profiles frames avoiding thejoints at the corners.

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SQUARE DIFFUSERS

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Standard Finishes :. Natural anodized Aluminium finish.. Powder coated colour finish, other colors as option and Dampers can be supplied in black

colour as optional.. Flexibility of finish is available as option.

Standard Selection :The following table gives the complete parameters of the diffusers, which is to be consideredwhile selection of the same during HVAC projects design and execution.

Size(mm) CFMRange150 x 150 100 - 200225 x225 200 - 400300 x 300 300 - 600375 x375 400 - 900450 x 450 500 - 1200

Standard Sizes :Available in square sizesNeckSize

W = width in mm 150 225 300 375 450D = depth in mm 150 225 300 375 450

False Ceiling Sizes :Duct size in mm 1 50x1 50 225x225 300x300 375x375 450x450False ceiling opening size 23Ox23O 305x305 380x380 455x455 530x530


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Size (mm xmm)

AreaFactor Ak

Neck Area(sq.m.)

NeckVelocity(m/sec) 1 .0'16 1.27 1.524 1.778 2.032 2.54 3.048 3.556 4.064

PressureDrop

(mm. wg.)0.0762 0.1016 0.1524 0.2032 0.254 0.4064 0.5842 0.7874 1 .016

150 x '1 50 Ak = 0.085

0.023

CFMPt (mm.w.s.)

Throw (m)NC

50o.4572

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Return Square Ceiling DiffusersModel : TDGR-TG (a-WaY)

product Development is a continuous process in Alpha Duct Pvt. Ltd., hence Specifications & Technical Data are subjected to change without notlce

How to order

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Selection Example :To select supply air square ceiling diffuser, four way throw, size 450 x 450, quantity 60 noswith powde.coited color finish (RAL 9010 for Diffuser or RAL 9016 Dampers)Order as : TDCS - TG 4 - 450 x 450 - 60 - B.

Size(mm) NeckArea(sqm)

NeckVelocity(m/sec) 1.016 1.27 1.524 1.778 2.032 2.54 3.048 3.556 4.064

VelocityPressure(mm.wg) o.o762 0.10160.1524 0.2032 0.254 0.4064 0.5842 0.7874 1 .016

150 x'150 0.023CFM

Pt (mm.wg)NC

500.4572


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alpha ceiling square diffusers

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