Constant Volume Ceiling Diffusers – CCD3, CSD3, CRD3



The RICKARD Constant Volume Ceiling Diffusers (CCD/CSD/CRD) have been designed to provide a cost effective outlet that provides excellent levels of comfort in an architecturally pleasing package.

Our Constant Volume Ceiling Diffusers are intended for use in internal zones of a building where uniform radial discharge is the most suitable supply air pattern.  Normally these zones are less complex to air-condition as load fluctuations are not as severe as those on the perimeter.  The Constant Volume Ceiling Diffuser, as its name implies, does not automatically regulate the air volume entering the conditioned space – they are constant volume devices.  Consequently, room temperatures will vary with room loads (assuming the duct air temperature and pressure remain constant).

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