Rotameters are installed on the paper machine to regulate the flow of oil in each lubrication point. It is the most essential part of COL system as performance of the complete system depends on rotameters. It consists of adjustable throttle valve, flow indicator & float assembly. As the flow indicator is made of polycarbonate, the flow rate can be easily visualized and the movement of the float. Rotameters are available in different flow range as per requirement. Electric sensing can also be provided if required.