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number of rotators

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Scooter53027

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Saturday, October 4th 2014, 8:35pm

number of rotators

Hay all. First time posting on here and I have a question that I can't seem to find an answer to. Let's say I have 12 gpm @ 65 psi. How many MP rotators can I have on one zone? So for this zone I added up all the heads and I have 11 heads using 11.1 GPM. Now is that cutting it to close or am I ok using that many heads? Is there a rule of thumb on a percentage of available GPM that can be used?

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Senior Member

Wednesday, October 8th 2014, 8:46am

http://www.hunterindustries.com/sites/default/files/DG_ResidentialSprinklerSystemDesignHandbook_dom.pdf

Pages 2-6 of this should help. Follow the steps for calculating working pressure and zone capacity.

This post has been edited 1 times, last edit by "irrigirl" (Oct 8th 2014, 9:00am)

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