Profile: Primary Flow Signal, Inc offers flow meters designed for the measurement of liquid, gas, or stream. We mainly supply halmi venturi flow meter to muncipalities. Raw water, finished water in open and closed conduits with special expertise in design of filter arrangements, custody transfer,air, gas and steam measurement are the applications we focus on. Some of the products we supply are turbine flow meters, wedge and venturi meters, monitors, transmitters, and accessories for gas and liquid & flow metering. We maintain a huge inventory for rapid deployment for well field requirements.