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Although it isn’t always possible to bring power out to a where you need an equipment shelter, that doesn't mean that there isn't a need for it.  For those applications Openchannelflow offers a range of non-powered ventilation options for our fiberglass…

Under free-flow conditions, short-throated flumes control flow in a region of the flume that produces curvilinear flow.  As such, there is only one point of measurement at which the level-to-flow relationship holds.  This primary point of measurement, Ha, occurs in the…

Where a walk-in fiberglass shelter or building is more than an installation calls for, but where all-weather equipment protection is needed, Openchannelflow offers the Gemini equipment enclosure. 

We often talk about how OCF tried to sweat the small things.  One of the items that we have focused on is our flow meter sensor mounting brackets.  Many of the designs currently on the market show, what we believe to be, a "good enough" philosophy - that the brackets…

For installations where a Packaged Metering Manhole will be subject to vehicle (AASHTO H-20/HS-20) traffic require custom formed reducers are necessary to transfer the lop load to the manhole walls. Laminated to the top of the manhole barrel, the reducer provides a bench on to…

ISCO does a great job of presenting a wide range of information on measuring open channel flows in their Open Channel Flow Measurement Handbook.  The handbook strikes just the right note when it comes to presenting the material in a way that the casual operator can readily…

While we often thing we seen it all, we are continually amazed by users.  YouTube user Sidney Seckler has posted a video showing an unusual use for a Parshall flume:  Chemical Mixing! Alum is added (as a coagulant) to the flow upstream of the flume.  The flow is…