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Author Topic: copper and stainless side arm  (Read 2772 times)

heat550

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copper and stainless side arm
« on: October 28, 2017, 02:30:28 AM »
I have a stainless steel side arm and I was wondering whats the best material union to use copper
does copper and stainless steel react at all ? its all pipe threads .

Heat550

I seen some strange reaction on my old steel pipe to brass for some reason . 19 years I could not brake any of the threads on steel pipe and brass valves it was like stuck to point you destroy the valve trying to get it apart  so I changed it all to brass on new install $$$
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mlappin

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Re: copper and stainless side arm
« Reply #1 on: October 28, 2017, 06:27:46 AM »
stainless doesn’t react with any metal that I know off, however dielectric unions are much cheaper than copper ones and usually don’t seep like a copper union does.
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