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The Leader in Flow Measurement Solutions

Primary Flow Signal offers world-class differential pressure flow elements that ensure the highest quality, accuracy and reliability for liquid, gas, and steam applications.

Why PFS?

Our Markets & Applications

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Municipal Water & Wastewater

PFS is a global leader in municipal water and wastewater flow measurement.

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Oil & Gas

PFS offers comprehensive and specialized flow measurement resources to meet the demanding requirements of the oil and gas market.

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Power Generation

Our accurate, versatile, and rugged flow meters and nozzles are ideal for the power generation industry.

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Industrial

PFS provides an innovative industrial product line supported by our industry’s largest team of specialized flow meter engineers.

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Automotive

PFS flow meters can help drive increased motor vehicle efficiency and environmental responsibility.

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Our Product Lines

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Venturi Flow Meter

The patented HVT-Halmi Venturi Flow Element designed and perfected by our founder, Dezsoe Halmi, is exclusively available from PFS.

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Wedgetype Flow Meters

Ideal for asphalt, tar-sands, fracking fluids, spent water, sludge, cement, and other harsh industrial uses.

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Orifice Flow Meters

PFS provides a line of orifice plates, flange unions and orifice meter tubes in full compliance with all applicable standards and codes.

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PTC 6 / Nozzle Flow Meters

Our PTC-6 flow nozzle enables the precision needed for the testing of steam turbines under the ASME PTC-6 Performance Test Code.

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Flow Accessories

Accessories offered for differential producer flow metering equipment and accessories for measuring liquid, gas and steam flow.

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Specialty Flow Meters

Specialty Meters offered by Primary Flow Signal designed for open-conduit flow for water, sewage, sludge or any other non-pressurized material.

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