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My house has some of these fittings that I had never seen before:
https://www.milwaukeetool.com/Products/Power-Tools/Plumbing-Installation/Pr=
ess-Tools
They're thicker than normal fittings and have an o-ring that is clamped
down on the pipe to form a seal. I've not seen leaks at any of them, but
I wonder how that o-ring will age (hoping it is something more stable than
natural rubber!) They're kind of like a hybrid of the pex crimping, but on
copper
On Thu, Aug 1, 2019 at 4:46 PM David Scheidt via Shop-talk <
shop-talk@autox.team.net> wrote:
> On Thu, Aug 1, 2019 at 10:00 AM Pat Horne via Shop-talk
> <shop-talk@autox.team.net> wrote:
> >
> > My understanding is that plumbers use the expansion method of
> termination because it is easier, faster & cheaper. They also don=E2=80=
=99t need to
> stock the crimp rings.
>
>
> There are other advantages, for one expansion fittings are closer to
> full flow. It also requires good quality tubing (pex-a), and not the
> cheap stuff on offer at the borg. It's also possible to tell visually
> inspect the joint and see that the fitting is properly installed. The
> joints also tend to get stronger over time,as the pex wants to
> contract to its original diameter, so it grabs tighter on the fitting.
> Expansion fittings do require an expansion ring, so they do have extra
> parts to stock.
>
>
> --
> David Scheidt
> dmscheidt@gmail.com
> _______________________________________________
>
> Shop-talk@autox.team.net
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<div dir=3D"ltr">My house has some of these fittings that I had never seen =
before:=C2=A0=C2=A0
<a href=3D"https://www.milwaukeetool.com/Products/Power-Tools/Plumbing-Inst=
allation/Press-Tools">https://www.milwaukeetool.com/Products/Power-Tools/Pl=
umbing-Installation/Press-Tools</a><div>They're thicker than normal fit=
tings and have an o-ring that is clamped down on the pipe to form a seal.=
=C2=A0 =C2=A0I've not seen leaks at any of them, but I wonder how that =
o-ring will age (hoping it is something more stable than natural rubber!)=
=C2=A0 They're kind of like a hybrid of the pex crimping, but on copper=
</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_=
attr">On Thu, Aug 1, 2019 at 4:46 PM David Scheidt via Shop-talk <<a hre=
f=3D"mailto:shop-talk@autox.team.net";>shop-talk@autox.team.net</a>> wrot=
e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Thu, Aug 1=
, 2019 at 10:00 AM Pat Horne via Shop-talk<br>
<<a href=3D"mailto:shop-talk@autox.team.net"; target=3D"_blank">shop-talk=
@autox.team.net</a>> wrote:<br>
><br>
> My understanding is that plumbers use the expansion method of terminat=
ion because it is easier, faster & cheaper. They also don=E2=80=99t nee=
d to stock the crimp rings.<br>
<br>
<br>
There are other advantages, for one expansion fittings are closer to<br>
full flow.=C2=A0 It also requires good quality tubing (pex-a), and not the<=
br>
cheap stuff on offer at the borg. It's also possible to tell visually<b=
r>
inspect the joint and see that the fitting is properly installed.=C2=A0 The=
<br>
joints also tend to get stronger over time,as the pex wants to<br>
contract to its original diameter, so it grabs tighter on the fitting.<br>
Expansion fittings do require an expansion ring, so they do have extra<br>
parts to stock.<br>
<br>
<br>
-- <br>
David Scheidt<br>
<a href=3D"mailto:dmscheidt@gmail.com"; target=3D"_blank">dmscheidt@gmail.co=
m</a><br>
_______________________________________________<br>
<br>
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ox.team.net</a><br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/shop-talk"; rel=3D"norefer=
rer" target=3D"_blank">http://www.team.net/pipermail/shop-talk</a> <a href=
=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank">htt=
p://autox.team.net/archive</a><br>
<br>
alk/shop-talk2@mcfetridge.org" rel=3D"noreferrer" target=3D"_blank">http://=
autox.team.net/mailman/options/shop-talk/shop-talk2@mcfetridge.org</a><br>
<br>
</blockquote></div>
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