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GMCAIR HVAC SYSTEMS AND EQUIPMENTS LLC
DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS

Product catalog summary

Overview: The document provides detailed information about the High Capacity Drum Diffusers (DD) offered by GMCAIR HVAC SYSTEM & EQUIPMENT LLC. These diffusers are designed for long air throws with high directional control, suitable for large spaces like warehouses and stadiums.

Description: The DD consists of extruded aluminum blades within a rotatable drum, allowing for significant directional control of airflow. An all-stainless steel option is available for environments requiring corrosion resistance.

Material: Primarily constructed from aluminum and sheet metal.

Function: Ideal for spaces where traditional ductwork is impractical, the DD provides long air throws and can adjust air patterns both horizontally and vertically.

Finishing: Standard powder coating in RAL9010, with other colors available upon request.

Installation: Options include screw mounting and mounting frames. Accessories such as dampers are available.

Standard Sizes: The document lists nominal dimensions for the ventilation grilles.

Air Patterns: Various air patterns are described, including isothermal air and cooling mode patterns, with adjustments for vertical discharge angles.

Technical Data: Includes a selection table and details on the relationship between flow, sound level, and pressure.

Order Codes: The document provides a coding system for ordering, detailing options for neck size, frame size, mounting type, and coating.

Catalog excerpts

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-1

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS Drum Diffusers GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-2

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS DESCRIPTION: The High Capacity Drum Diffuser (DD) consist of extruded aluminum blades mounted inside a rotatable drum to produce long air throws with a high degree of directional control sheet metal FUNCTION : The DD provides long throws to supply air to spaces that cannot be served by ductwork and conventional outlets due to structural or architectural restrictions. This makes the DD ideal for use in warehouses, factories, stadiums, or any large enclosed space. For demanding environments such as industrial plants, or areas where corrosion resistance...

Open the catalog to page 2

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-3

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

Open the catalog to page 3

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-4

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS Air pattern in cooling mode, with vertical discharge angle adjustment Air pattern without ceiling effect, group of grilles, top view Air pattern, group of grilles, top view : Nominal length of the ventilation grille : Nominal height of the ventilation grille : Sound power level of the air-regenerated noise : Volume flow rate : Total differential pressure : Distance from single grille or horizontal run section (throw distance) GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

Open the catalog to page 4

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-5

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS TECHNICAL DATA GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-6

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS Flow - Sound Level and Pressure Relationship GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS-7

DD- DRUM DIFFUSERS HIGH CAPACITY DRUM LOUVERS ORDER CODES 00 RAL9010 SM N 250x165mm N: Neck Size F: Frame Size 00: No Mounting SM: Screw Mounting 000: Without Damper OFD: Opposite Flap Damper 00: No coating EX: Eloxal Coating RAL----: Powder Coating GMCAIR HVAC SYSTEM&EQUIPMENT LLC www.gmcairgrille.com - [email protected]

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All GMCAIR HVAC SYSTEMS AND EQUIPMENTS LLC catalogs and technical brochures

*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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