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Metric to Imperial


 
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GaytonTonner

from United Kingdom

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PostPosted: Fri Nov 26, 2010 8:25 am Reply with quote

I have some old 1" imperial copper pipe to connect onto to using end-feed fittings. Do I need a 28mm to 1" adapter? Who would sell these?

On a general note does anyone know what sizes need a conversion adapter and what do not.

What about compression fittings? Do they fit each equivalent size?
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namsag

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PostPosted: Fri Nov 26, 2010 9:09 am Reply with quote

1/2" to 15mm none required
1" to 28mm none req
3/4" TO 22MM Adaptor req

Compression fit the same but on 3/4 you can get a 3/4 olive for the 22mm fitting but a copper olive will work just aswell
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GaytonTonner

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PostPosted: Sat Nov 27, 2010 8:48 am Reply with quote

namsag wrote:
1/2" to 15mm none required
1" to 28mm none req
3/4" TO 22MM Adaptor req

Compression fit the same but on 3/4 you can get a 3/4 olive for the 22mm fitting but a copper olive will work just aswell


Thanks. So only (3/4" - 22mm) is there an issue on end-feed copper? Just to clarify.

I know 3/4" imperial olives are available for 22mm compression fitting. I would be weary of using a 22mm copper olive with 3/4" copper pipe. That is just me, I would not trust it..

Maybe this information should be in a sticky.
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mysteryman

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PostPosted: Sat Nov 27, 2010 11:55 am Reply with quote

Don't use 22mm olives on 3/4! You can also get 3/4 O rings for some pushfit fittings.

You may need to file inch copper down a bit to get 28mm fittings on to it.
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GaytonTonner

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PostPosted: Sat Nov 27, 2010 12:20 pm Reply with quote

mysteryman wrote:
Don't use 22mm olives on 3/4! You can also get 3/4 O rings for some pushfit fittings.

You may need to file inch copper down a bit to get 28mm fittings on to it.


This 1" copper is fitted and not in a position to file down. icon_sad.gif
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TicklyT

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PostPosted: Sat Nov 27, 2010 5:27 pm Reply with quote

GaytonTonner wrote:
mysteryman wrote:
Don't use 22mm olives on 3/4! You can also get 3/4 O rings for some pushfit fittings.

You may need to file inch copper down a bit to get 28mm fittings on to it.


This 1" copper is fitted and not in a position to file down. icon_sad.gif

Piece of emery tape looped around the pipe, and pulled back and forth does the job.
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GaytonTonner

from United Kingdom

Joined: 14 Nov 2010
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Location: Manchester,
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PostPosted: Sun Nov 28, 2010 9:10 am Reply with quote

TicklyT wrote:
GaytonTonner wrote:
mysteryman wrote:
Don't use 22mm olives on 3/4! You can also get 3/4 O rings for some pushfit fittings.

You may need to file inch copper down a bit to get 28mm fittings on to it.


This 1" copper is fitted and not in a position to file down. icon_sad.gif

Piece of emery tape looped around the pipe, and pulled back and forth does the job.


thanks.
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Terrywookfit

from Antarctica

Joined: 19 Jul 2007
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PostPosted: Sun Nov 28, 2010 2:14 pm Reply with quote

Why not buy some 1" x 28mm Y1M, They are made for a reason.
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