Preso Meters is a fully integrated manufacturer of precision-engineered primary flow elements, serving the industrial, commercial and municipal markets for over 30 years.

Preso products include the patented Ellipse® pitot tube and the COIN™ segmented wedge flow meter, three unique versions of Venturi-type meters and inserts, and orifice plates and flanges. With this family of products, Preso can provide a meter for any process that can be measured with differential pressure technology, often at calibrated accuracy of better than ±1% of reading.

Preso also manufactures the B+® and C+ metering and balancing valves for the HVAC industry, as well as a line of FM-approved fire pump gages, and many other accessories including flow transmitters and test kits.