3.4 ONS/RD, ONS/RDM ROUND CEILING DIFFUSERS WITH ROUND NOZZLES
ONS/RD and ONS/RDM are round ceiling with adjustable round nozzles designed for low- and medium-pressure uncovered ceilings installations. Nozzles of diameter sizes 57 mm (RD) and 35 (RDM) mm are ended with sinusoidal outlets that allows for hig air diffusion. Nozzles position an be adjusted to any direction so that shape of the air stream can be regulated. They can be used with constant and variable airflow. The air can be supplied at the temperature lower or higher than the temperature in the ventilated room. They are available in two variants: with nozzles in lower plate and with nozzles in lower and upper plates. It is recommended to install ONS diffusers into the ceiling or hang them from the ceiling. Hanging diffusers will increase air supply capacity.
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