HydroCAD Stormwater Modeling - Since 1986


Reg-U-Flo Vortex ValveHydro International Vortex Valves Supported by HydroCAD

HydroCAD provides direct support for modeling of vortex control valves, and includes pre-defined discharge tables for the Hydro-Brake Optimum product line manufactured by Hydro International.  This product was previously formerly marketed as the Reg-U-Flo vortex valve.

Note:  The use of HydroCAD-10 is specifically recommended, since it has the ability to automatically translate the rating curves into English or metric units, as required by the individual project.  Earlier versions could only load the rating curves into projects that were configured for English units.

Since Vortex valves have a unique "S" shaped stage-discharge curve which cannot be modeled with the traditional orifice equation, HydroCAD Software Solutions LLC has worked together with engineers at Hydro International to produce a library of rating curves that allows these devices to be easily modeled in HydroCAD.  This allows designers to evaluate the benefits of using vortex valves in their stormwater management systems, which can often reduce the amount of storage that must be built in order to meet peak-discharge requirements for a given pond.

Starting with HydroCAD 10.0 build 22, you can also create a custom rating curve using the online tool at www.hydrobrakeoptimum.com  This procedure allows a wider range of product dimensions than the predefined rating curves.

For further details, please read about modeling vortex control valves in HydroCAD.

Images courtesy of Hydro International.
Hydro-Brake
and Reg-U-Flo are registered trademarks of Hydro International.
HydroCAD is a registered trademark of HydroCAD Software Solutions LLC.

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