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Southern MN | The way to determine your minimum flow is to look at a tip chart find the size of tip you are using. Let’s say you have an 04 sized tip you have a 90 ft. Boom on 15 inch spacing. You would look at the tip chart for 15 inch spacing. You are looking for the flow rate in gallon per minute for the lowest rated pressure for the tip usually 15 psi. This is the flow rate for one nozzle. Now on my Hagie my 90 foot boom has 73 nozzles you want to multiply the flow rate for one nozzle by the number of nozzles.
In the case of my example that would be a flow rate of .24 gpm*73 nozzles gives you a flow rate of 17.52 gpm this is the number you will enter into the minimum flow rate.
You will want to change this for every nozzle size that you use. Unless you are running an 025 sized tip or smaller 10 gpm is too low.
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Hagie integra problem
