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  #131  
Old 11-17-2010, 08:47 PM
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Quote:
Originally Posted by FIMCO-MEISTER View Post
Nevermind.........
probably more an issue with Rotators than fixed nozzles
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  #132  
Old 11-17-2010, 09:13 PM
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Quote:
Originally Posted by Wet_Boots View Post
probably more an issue with Rotators than fixed nozzles
Yup, they are hard enough to tune WITH water. I hope to never spec another Rotator.
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  #133  
Old 11-17-2010, 09:32 PM
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Going back to the wonderful world of brass nozzles, there was the occasional need to remove a nozzle and flush dirt from the head. Quickest was to do it with the zone running, but.... if the nozzle was one of the coarse-thread type no longer in production, it would be almost impossible to replace with the water on.
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  #134  
Old 11-17-2010, 09:47 PM
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I don't think it's any easier to screw on a fine thread brass nozzle to a plastic riser with flow. Dogging down the flow control will help, but brass and plastic are not good friends, thread-wise. Takes about thirty years to do it by "feel".
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  #135  
Old 11-17-2010, 09:58 PM
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Of course, with strainers for each nozzle, the remove-and-replace-with-the-water-running operation is no longer standard procedure.
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  #136  
Old 11-17-2010, 10:11 PM
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With brass, I never used a strainer, easier to notice the clog and clean it with a piece of 18g.
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  #137  
Old 11-17-2010, 10:23 PM
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...and I still may never know why the old fine-thread brass popups used a 5/8 x 27 thread, and the modern fine-thread nozzles and bodies use a 5/8 x 28 thread ~ who screwed up?
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  #138  
Old 11-17-2010, 10:43 PM
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Once plastic pop-ups came into being with their higher reach, there was no reason for those tall brass nozzles; everyone eventually standardized to 5/8 x 28 thread, which I applauded. It will be interesting at I.A. to see if there are any brass nozzles displayed. We can thank the Bean counters for taking out the quality of our industry. One only has to look at W*M.
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  #139  
Old 11-17-2010, 11:20 PM
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Yeah, but why create the 5/8 x 28 nozzles, when there were already 5/8 x 27 nozzles? I believe the old 5/8 x 18 coarse thread nozzles matched an 18 tpi bolt pattern (UNF) so there would have been machine tooling available for making them.
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  #140  
Old 11-17-2010, 11:35 PM
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I remember when all that happened and was as perplexed as you, but the re-tooling worked, and became the standard. The brass nozzles do not leak at the plastic connection, even though to this day it's easy to cross-thread them.
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