How long are spray nozzles good for? - The Combine Forum
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post #1 of 14 (permalink) Old 06-20-2013, 06:40 PM Thread Starter
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How long are spray nozzles good for?

How long do spray nozzles last? How do you tell if they're worn? This is my third season on a new-to-me sprayer and am wondering when I start considering replacing nozzles.

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post #2 of 14 (permalink) Old 06-20-2013, 06:58 PM
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Take them to your local dealer and have them tested, they should have a machine or they will point you in the right direction to someone who does.

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post #3 of 14 (permalink) Old 06-20-2013, 07:11 PM
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Easiest way is to run the machine at operating pressure with water and have a measuring jug and stop watch. Time the output for 1 minute. Look at measurement and you can find out what it should be outputting per minute at what pressure. But at least u can compre a heap of nozzles output per minute to each other. If there is a large variation then they are buggered. Replace them all not just a few as they will never be the same.
If u are concerned they not putting out a good pattern then u can get some of that water sensitive paper and drive the boom over it to check the spray pattern.
Easiest and quickest way is to measure output. You might be amazed how much variation can occur. Which then means your chemical is going on at different rates.
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post #4 of 14 (permalink) Old 06-20-2013, 10:46 PM
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Depends on type also, stainless steel last the longest. Sometimes you can see the pattern changing when you are spraying. I try to get 40,000 acres out of a set then replace them, one year, but it is cheap insurance to put new ones on to keep an uniform pattern.
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post #5 of 14 (permalink) Old 06-21-2013, 01:28 AM
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Do you guys think running nozzles at higher pressures wears them out quicker?
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post #6 of 14 (permalink) Old 06-21-2013, 09:32 AM
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Dirty water from a dugout will wear out the nozzle faster than anything else. If your using clean well water they last a long time. Best to measure them with calibration cups or just buy a new set every 40,000 acres (with clean water)if your worried.
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post #7 of 14 (permalink) Old 06-21-2013, 09:40 AM
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40,000 acres, ha ha ha! That would be a few life times for guys like me!

Anyway, that would depend greatly on the width of your sprayer, no?

Si Quaeris Peninsulam Amoenam Circumspice
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post #8 of 14 (permalink) Old 06-21-2013, 10:04 PM
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Quote:
Originally Posted by bigs1 View Post
Depends on type also, stainless steel last the longest.
I thought the ceramic ones were supposed to last the longest???

Andrew
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post #9 of 14 (permalink) Old 06-21-2013, 10:35 PM
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Quote:
Originally Posted by crw View Post
Dirty water from a dugout will wear out the nozzle faster than anything else. If your using clean well water they last a long time. Best to measure them with calibration cups or just buy a new set every 40,000 acres (with clean water)if your worried.
Well water here in Sask. is way too hard to use in a sprayer. I and most that I know of are pumping from sloughs or dugouts. Warmer water and no minerals are better that cold , hard water from a deep well.
I got away with using well water for a few years but one chemical (was it roundup) reacted so bad that it turned into white paste plugging every screen and nozzle.
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post #10 of 14 (permalink) Old 06-22-2013, 12:29 AM
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Quote:
Originally Posted by Andrew_D View Post
I thought the ceramic ones were supposed to last the longest???

Andrew
I believe you are correct.

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