NRA, NRA-M, and NRA-T Industrial Supply Air Diffusers
The NRA is a ceiling-mounted supply air diffuser equipped with adjustable air deflection blades, designed for both winter and summer operation. It enables stepless adjustment between short horizontal and long vertical airflow patterns. The horizontal guide vanes located inside the circular diffuser can be adjusted manually (NRA), by an electric Belimo LM-24 actuator (NRA-M), or by thermostatic control (NRA-T).
NRA diffusers are ideally suited for retail spaces, sports facilities, warehouses, and industrial buildings where large air volumes need to be distributed efficiently. The system can be integrated with the Airvent building management system, allowing demand-based automatic control. The units can be installed either recessed into suspended ceilings or mounted as freely suspended elements.
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