Tank and Pump Calculations

Brad Fox -

When drawing from tanks in AutoSPRINK, insert the Supply at the suction of the vortex plate, then set the static pressure based on max tank volume and the residual based on lowest tank volume, and then set the flow to match system demand.

 

Tank pressures are dependent only on elevation of the water.  The equation is:   0.434 x height(ft) = psi

 

Note in the sketch below that high water is 9 feet above the vortex plate, low water is 2 feet above.

 

 

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