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VAV terminal box with sound attenuation


VAV terminal box with sound attenuation

The terminal boxes BBA/BBT are designed for single duct high velocity constant or variable flow rate applications and can be used both in supply (BBT) and exhaust (BBA).The air flow rate control is pressure independent and achieved by a precision engineered damper which modulates in response to a differential pressure sensor and a motorised electronic velocity control device. Direct communication is possible between the VAV boxes and the central control area. The volume control and the complete shut-off of the VAV box are obtained by the same damper.Taking into account the reduced pressure loss in the damper, the boxes need a minimum of inlet pressure
which results in remarkable savings in the total energy requirements.

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