The flow regulator RDR is an element placed inside the duct in order to obtain a constant flow within a pressure range from 150 to 600 Pascals. It ...
RDR LP (RDR BP) adjustable flow regulators fit inside ducts to obtain a constant flow rate within pressure range of 20 to 100 Pa. They may be used ...
the volume flow controllers VRK are used in complex piping systems for automatically controlling the amount of air distribution. Their task is to ...