Primary Flow Signal
Primary Flow Signal has been producing flow meters for over 30 years, since its founding by Dezi Halmi, and has emerged as the preeminent industry player in North America, with a reputation for reliability, accuracy, and customized manufacturing. PFS has a legacy of innovation and dedication to quality. As the inventor of several important technologies, including the Universal Venturi Tube and the Halmi Venturi Tube.
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We work closely with a diverse network of manufacturers to bring you a wide range of instrumentation equipment options, ensuring that you find the perfect fit for your requirements.