PFS offers a full-service machining facility with state-of-the-art manufacturing equipment, expert engineering and excellent customer support.
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PFS is registered with Sam.gov and with DDTC (Directorate of Defense Trade Controls) ITAR (International Traffic in Arms Regulations).
Primary Flow Signal's patented metering products offer high accuracy, repeatability, and flexibility to meet every customer's unique needs.
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Primary Flow Signal provides the world's best flow meters for a variety of demanding industries and applications.
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Primary Flow Signal has been producing and engineering flow meters for over 30 years, with headquarters and manufacturing in the United States and Canada. With a reputation for reliability, accuracy and customized manufacturing, Primary Flow Signal has emerged as the preeminent industry player in North America.
The PFS DifferenceWe're proud to offer our unparalleled expertise in differential metering to help customers perform the maintenance and rehabilitation necessary to maximize the long-lasting performance of their flow meters. With a single meter rehabilitation and inexpensive upkeep of peripheral instrumentation, our engineers can help flow meters maintain their fullest potential throughout their entire lifespan.
