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Old 12-26-2012, 06:41 PM   #1
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copper fittings


can copper fittings, "t's" in this caes, be too tight? I bought some and they have to be forced on or together.

Thoughts?

Thanks

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Old 12-26-2012, 07:01 PM   #2
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Originally Posted by digitalplumber View Post
can copper fittings, "t's" in this caes, be too tight? I bought some and they have to be forced on or together.

Thoughts?

Thanks
Ayuh,.... Usually after ya wirebrush the insides, 'n crocus the outsides, they'll slip together with flux paste as a lube...

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Old 12-26-2012, 07:02 PM   #3
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Some brands are just a pain in the butt to use. Try filing down the outside edges of the end of the pipe or tap on the fitting with a rubber mallet or piece of wood so you dont dent the fittings
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Old 12-26-2012, 07:02 PM   #4
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I expect there is an "optimal" fit of the pipe and fitting --- probably a few thousanths of an inch of clearance is optimal. I have never heard of fittings being too tight to solder --- but maybe others have --- they will chime in. However, I would sooner guess your fittings are out of round, rather than undersized.
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Old 12-26-2012, 07:17 PM   #5
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98 times out of 100 when the pipe won't fit easily into a fitting---it's the pipe.

Are you cutting it with a good quality tubing cutter with a sharp blade?

Are you 'dogging down' on the cutter,trying to cut to quickly?

Take a flat file and file the cut edge and remove the burr or mushroomed cut and see if it slips in after you clean up the cut.

The other 2% of the time--the fittings are dented or squashed a bit---
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Old 12-26-2012, 07:25 PM   #6
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98 times out of 100 when the pipe won't fit easily into a fitting---it's the pipe.

Are you cutting it with a good quality tubing cutter with a sharp blade?

Are you 'dogging down' on the cutter,trying to cut to quickly?

Take a flat file and file the cut edge and remove the burr or mushroomed cut and see if it slips in after you clean up the cut.

The other 2% of the time--the fittings are dented or squashed a bit---
Ayuh,... Good point,... What exactly is the pipe/ tubin' yer using,..??

Baseboard radiation is almost Impossible to cut, 'n keep true....
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Old 12-26-2012, 07:50 PM   #7
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Following up on Mike's comment -

I this problem recently. My cheap tubing cutter was creating a small lip. Knocking off the lip with a file helped.
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Old 12-26-2012, 08:11 PM   #8
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See below:

Quote:
Originally Posted by oh'mike View Post
98 times out of 100 when the pipe won't fit easily into a fitting---it's the pipe.

Are you cutting it with a good quality tubing cutter with a sharp blade?


Brand new Rigid.


Are you 'dogging down' on the cutter,trying to cut to quickly?


No dont think so, its 3/4.


Take a flat file and file the cut edge and remove the burr or mushroomed cut and see if it slips in after you clean up the cut.


Will check tomorrow.



The other 2% of the time--the fittings are dented or squashed a bit---
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Old 12-26-2012, 08:12 PM   #9
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Cutting 1/2 inch and 3/4 copper (thick wall one), It only did this on the last 2 cuts. Will double check them.

Thanks



Quote:
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Ayuh,... Good point,... What exactly is the pipe/ tubin' yer using,..??

Baseboard radiation is almost Impossible to cut, 'n keep true....
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Old 12-26-2012, 08:16 PM   #10
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You may have a few fittings that are ovalized--it happens---
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Old 12-26-2012, 08:22 PM   #11
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Check the inside of the "T" fittings, and any others, for a small ridge. This happens a lot. Just ream the ridge out if this is the case.
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Old 12-26-2012, 08:23 PM   #12
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Old 12-26-2012, 08:37 PM   #13
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xxxxx
An OD de burring might help. I don't like leaving a burr in the ID either.

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