Spray Head Performance Charts
You can use these charts to get a baseline GPM (Gallons Per Minute) for each of your pop up spray heads. It’s also important to know when calculating PR (Precipitation Rate) many methods assume you have a matched precipitation rate.
Spray head nozzles match themselves as long as they are all from the same manufacturer. So you can double check each zone to mack sure they are all from the same brand like RainBird or Hunter. If so, each manufacturer has their own nozzle charts for their different nozzle lines. There you’ll find all the information you need for your exact nozzles.