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GMCAIR HVAC SYSTEMS AND EQUIPMENTS LLC
CIRCULAR/ROUND CEILING DIFFUSER - BD

CIRCULAR/ROUND CEILING DIFFUSER - BD

Product catalog summary

Overview: The document provides detailed specifications and options for various models of circular ceiling diffusers offered by GMCAIR HVAC SYSTEM & EQUIPMENT LLC. These diffusers are designed for the distribution of cooled and heated air in commercial spaces such as offices and shopping centers.

Product Descriptions:

BD Series: Includes BD-S with a fixed core and BD-A with a removable core. Made from metal or optional aluminum, these are powder-coated in RAL 9010 as standard.
CAD Series: Features a fixed core, standardly produced with a metal frame and core, powder-coated in RAL 9016.
CD Series: Comes with a removable core, made from aluminum, and powder-coated in RAL 9010.
YTA Series: Offers both fixed (YTA-S) and removable (YTA-A) core options, available in metal or aluminum, with standard RAL 9010 coating.

Material and Finishing: All models are available in metal or aluminum with powder coating in standard RAL colors, with other colors available upon request.

Installation Options: Diffusers can be installed using screws, bridges, or without any fixing. Accessories such as dampers (Butterfly or Hit and Miss), plenum boxes, and mounting frames are available to customize airflow and installation.

Technical Specifications:

Sizes: Standard sizes are provided in millimeters or inches, with technical drawings available for precise dimensions.
Effective Area and Airflow: Tables provide effective area measurements and airflow rates at various air velocities for different neck diameters.
Temperature and Sound Diagrams: Diagrams illustrate temperature variables, induction selection, sound levels, and pressure loss for different damper types.

Order Codes: Each diffuser model has a specific order code format that includes core type, frame material, mounting type, and color options.

Catalog excerpts

CIRCULAR/ROUND CEILING DIFFUSER - BD DESCRIPTION: BD-S: Circular ceiling diffuser with fixed core BD-A: Circular ceiling diffuser with removable core. Standard Production : Metal frame and core Optional Production : Aluminum frame and core APPLICATION: BD series circular ceiling diffuser used for the supply of cooled and heated air in facilities like offices, shopping rent etc...BD can used for ceiling installation Powder coated in RAL 9010 colour as standard Other colours on request Screw {Standard) If desired, it is possible to add a damper to adjust the amount of air to be collected. KD: Butterfly Damper HKD: Hit and Miss Damper GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - sales

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CIRCULAR/ROUND CEILING DIFFUSER - BD * Any combination of these sizes . TECHNICAL DRAWINGS: GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD CIRCULAR CEILING DIFFUSERS WITH STAGGERED DAMPER 1 - Hit and Miss Damper 2 - Circular Ceiling Diffuser 3 - Damper Lever GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD QUICK SELECTION TABLE Neck Diameter ØDmm GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD TEMPERATURE VARIABLES INDUCTION SELECTION DIAGRAM SOUND LEVEL AND PRESSURE LOSS DIAGRAM TEMPERATURE VARIABLE SELECTION ROOM VOICE DELIVERY DIAGRAM (BUTTERFLY DAMPER) GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD MOUNTING DETAILS 1- Screw Mounting Details PLENUM BOX STANDARD MOUNTING GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD SPECIAL CEILING INSTALLATION DETAILS GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - BD ORDER CODES: S : Fixed core A : Removable core W: Neck Size C: Frame Size Metal frame and core : M Aluminum frame and core : A XX: WITHOUT DAMPER KD: BUTTERFLY DAMPER CD: HIT AND MISS DAMPER XX: without Mounting VD: Screw Mounting KP: Bridge Mounting KS: Mounting Frame 00: without coating EL: Anodic Aluminium RAL----: Powder Coated RAL GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CAD DESCRIPTION: CAD: Circular ceiling diffuser with fixed core MATERIAL: Standard Production: Metal frame and core APPLICATION: CAD series circular ceiling diffuser used for the supply of cooled and heated air in facilities like offices, shopping rent etc. CAD can used for ceiling installation FINISHING: Powder coated in RAL 9016 (white) colour as standard Other colours on request INSTALLATION: Screw {Standard) No fixing ACCESSORIES: If desired, it is possible to add a damper to adjust the amount of air to be collected. Butterfly Damper GMCAIR HVAC SYSTEM&EQUIPMENT...

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CIRCULAR/ROUND CEILING DIFFUSER - CAD GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CAD OVERALL DIMENSION: GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CAD ORDER CODES: D: Listed Size C: Frame Size XX: without Mounting VD: Screw Mounting Sheet Metal frame and core : S XX: WITHOUT DAMPER DD: WITH DAMPER 00: without coating EL: Anodic Aluminium RAL----: Powder Coated RAL GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD DESCRIPTION: CD: Circular ceiling diffuser with removable core. Standard Production : Aluminum frame and core APPLICATION: CD series circular ceiling diffuser used for the supply of cooled and heated air in facilities like offices, shopping rent etc...CD can used for ceiling installation Powder coated in RAL 9010 colour as standard Other colours on request Screw {Standard) If desired, it is possible to add a damper to adjust the amount of air to be collected. KD: Butterfly Damper HKD: Hit and Miss Damper GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com...

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CIRCULAR/ROUND CEILING DIFFUSER - CD * Any combination of these sizes TECHNICAL DRAWINGS: CIRCULAR CEILING DIFFUSERS WITH BUTTERFLY DAMPER GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD Neck Diameter ØDmm SELECTION TABLE Neck Diameter ØDmm GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD TEMPERATURE VARIABLES INDUCTION SELECTION DIAGRAM SOUND LEVEL AND PRESSURE LOSS DIAGRAM TEMPERATURE VARIABLE SELECTION ROOM VOICE DELIVERY DIAGRAM (BUTTERFLY DAMPER) GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD MOUNTING DETAILS Screw Mounting Details Frame Screw Mounting Type Circular Duct type Mounting type Bridged Mounting Details GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD PLENUM BOX STANDARD MOUNTING GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD SPECIAL CEILING INSTALLATION DETAILS GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - CD ORDER CODES: W: Neck Size C: Frame Size Aluminum frame and core : A XX: WITHOUT DAMPER KD: BUTTERFLY DAMPER XX: without Mounting VD: Screw Mounting KP: Bridge Mounting KS: Mounting Frame 00: without coating EL: Anodic Aluminium RAL----: Powder Coated RAL GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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CIRCULAR/ROUND CEILING DIFFUSER - YTA DESCRIPTION: YTA-S: Circular ceiling diffuser with fixed core YTA-A: Circular ceiling diffuser with removable core. Standard Production : Metal frame and core Optional Production : Aluminum frame and core APPLICATION: YTA series circular ceiling diffuser used for the supply of cooled and heated air in facilities like offices, shopping rent etc...YTA can used for ceiling installation Powder coated in RAL 9010 colour as standard Other colours on request Screw {Standard) If desired, it is possible to add a damper to adjust the amount of air to be collected....

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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