Flowline, Inc. is a U.S.-based manufacturer specializing in industrial liquid level measurement and control instrumentation, founded in 1991 and headquartered in Los Alamitos, California. The company offers one of the broadest level sensing portfolios in the industry, spanning ultrasonic, 80 GHz radar, guided wave radar, float switch, and submersible pressure transmitter technologies. Key product families include EchoSonic and EchoPod ultrasonic transmitters, EchoBeam 80 GHz radar sensors with Modbus, HART and Bluetooth configuration, EchoWave guided wave radar for interface and bulk liquid measurement, LV30 series float switches for high-temperature and high-pressure applications, and DeltaSpan submersible pressure transmitters for wastewater and slurry. Flowline products are manufactured under an ISO 9001-certified quality management system and are supported by a global network of technical stocking distributors. The company serves specifying engineers, system integrators, OEMs, and facility operators across chemical processing, water/wastewater treatment, oil and petroleum, and industrial automation applications.