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Old 03-29-2013, 06:54 PM
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1idejim 1idejim is online now
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Join Date: Jul 2009
Location: State of Jefferson
Posts: 6,884
Quote:
Originally Posted by A23 View Post
I've got a city park with 11 zones, all on municipal water supply. All of the sudden one zone only comes up to what I'm guessing is about half-pressure....only enough to raise the sprinkler heads up about a third-to-half way. Doesn't seem to matter too much if the valve is turned on manually, or by the clock, although the problem may happen slightly more often when turned on by the clock. It's a Hunter PGV valve, and isn't that old. I took the valve apart and inspected everything, which all appeared to be in good shape. There's no leaks anywhere to be found either.

Anybody have any ideas or suggestions?
Do a 3 minute meter check of the zone, taking pics of the meter reading before and after running the zone.

Divide the useage by 3 to arrive at yovr gpm.

Add your nozzles for demand and you will know whether you have a leak or a restriction.
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