RSA Instruments is a leading company specializing in the manufacturing, exporting, and supplying of Purge Rotameters for measuring the flow rates of liquids and gases in pipes with a diameter of 2 NB or larger.
Their comprehensive setup includes carrier rings (orifice flanges), an orifice plate, bypass piping with isolation valves, and a Rotameter as the flow indicator. The orifice plate conforms to IS and BS standards. These meters are ideal for cost-effective high-flow rate measurement, offering linear fluid measurement with an orifice plate integrated into the main line.
The Rotameter is adapted to feature a range orifice, ensuring that the flow at maximum pressure drop across the orifice plate is sufficient to elevate the float to its highest position. Consequently, the flow through the range orifice is directly proportional to the flow through the central orifice, enabling the bypass Rotameter to accurately measure the mainline flow.