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hotelinorbit 10-11-2013 11:56 AM

Unsticking Copper Pipe
I am trying to create a pressure balancing loop for a 4 nozzle ceiling shower valve.

Everytime I dry-fit components together they get stuck and I cannot get them apart without damaging the components.

Any trick's for dry-fitting without needing to use wrenches and pliers excessively to pull them apart again?


joecaption 10-11-2013 12:07 PM

Deburr the pipe.
If you complete the closed loop you may be creating a suction when you try and pull them apart.

jmon 10-11-2013 12:07 PM

You can put a little flux on it, or measure more accurately, prep pipe for soldering, and be done with it.

hotelinorbit 10-12-2013 08:46 AM

Thanks guys ... I had to have the measurements pretty precise because of the nozzle locations. I got a better wire brush, liberally applied flux, through out the old failed attempts, and was able to fit things "one time" without having to pull them apart.

It was a little challenge applying the last piece to the loop, and my mallet helped out significantly.

jmon 10-12-2013 08:51 AM

Great. Glad everything worked out for you.

TheEplumber 10-12-2013 10:25 AM

199 Attachment(s)
Sounds like your cutter wheel is dull and forming a ridge on the pipe

hotelinorbit 10-12-2013 12:18 PM

Mr. E. Thanks! I have one of those Milwaukee Electric Pipe Cutters and upon very close inspection I can see a very fine ridge on the pipe end. I have never replaced the cutting wheel.

I'm going to try a new cutting wheel because I'm continuing to have problems elsewhere.

TheEplumber 10-12-2013 12:46 PM

199 Attachment(s)
You can knock the ridge down with a small file

Sent from my iPhone using DIY Forum. Watch out for spell check

mj12 10-12-2013 08:53 PM

You can avoid home depot fittings

hotelinorbit 10-13-2013 08:51 AM

Dull cutting wheel was definitively the problem. When I tried my spare hand cutter dry fitting no longer was as tremendously difficult.

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