Plenum for circular diffuser


Plenum of PDC series are used for the installation of circular diffusers. The function of the plenum or crate of calm, is to eliminate or reduce the non-uniformity of the velocity profile of the air coming from the supply duct. In this way the characteristics of the launch of the diffuser will comply with those laid, without directionality or asymmetries caused by undesired velocity gradients.

The Cestaro Bernardo Srl is able to offering a short working times both standard and special constructions on construction specifications and dimensions of the buyer even for applications on machines and equipments and / or indifferent materials such as aluminum or stainless steel AISI304 or AISI316.


Construction and sizes


Achievement standards in galvanized sheet steel. Constructions in stainless steel or aluminum on request. The plenum can be equipped with equalizer consists of metal micro-and / or damper circular connection.



Polyethylene adhesive in Class"1"reaction to fire (DM 26/06/1984). External standard applying. Internal application on request.



Maximum operating temperature: 70 ° C


Catalogue price list download:

S5-PDC Plenum for Circular Diffusers.pdf (217,2 kB)