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  • About us...

    • Openchannelflow provides Products and Solutions for the difficult problem of measuring the flow of water in open channels.
    • Products include flumes, manholes, and weirs - all backed by an industry leading (5) year FiberLock warranty!
    Atlanta and Boise
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  • Latest Blog Post

    Visualization of Flow in a Parshall Flume (Canaleta Parshall)
    December 18, 2014

    Canaleta Parshall at Universidad Nacional Autónoma de MéxicoHydraulics Laboratory at Universidad Nacional Autónoma de México has an interesting video posted showing the hydraulic profile of a Parshall flume under both free and submerged flow conditions.

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  • {title}

    Corrosion resistant Parshall, H Type, Trapezoidal, Cutthroat, Montana and RBC flumes for irrigation, sewerage, leachate and other open channel flow monitoring applications.
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    Composite flow monitoring manholes integrating flumes, magnetic flow meters, and weirs. Flow control manholes integrating diversion structures, grinders, energy absorbing baffles, and trash/screenings structures.
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    Free-standing weir boxes, interchangeable weir plates, and portable weirs for above and below ground flow monitoring.
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