Re: 1/2" or 15mm

["peteshew" <pslists@xxxxxxxxx>]

--- In ukha_d@xxxxxxx, "Dave McLaughlin"
<dave_mclaughlin@...> wrot=
e:
>
> I can=C3=A2=E2=82=AC=E2=84=A2t see how PTFE tape will work. This is
norma=
lly for threaded joints and tapers ones at that. With an olive type seal,
p=
utting tape on the threads serves no purpose whatsoever as fluid or gas
wil=
l leak past the point on the nut that surrounds the pipe.
>=20=20
> If the olive fitting is a reasonable snug fit around the pipe, be it
15mm=
or =C3=82=C2=BD then it will deform enough to seal the pipe. If it is very=
sloppy then it will most likely fail.
>=20=20
> The original poster should obtain some 15mm olives and see how they
fit o=
ver the pipe, if the are able to get access at this time.
>=20=20
> Dave=C3=A2=E2=82=AC=C2=A6

My problem is that I want to be sure that TRVs I purchase can be
successful=
ly installed *before* starting any work on the system. This obviously
rules=
out trying olives for size at this time.

>From all replies it seems that the sizes are very close so that 15mm
olives=
should work, but if I lay in a supply of 1/2" olives just in case then
I s=
hould have covered myself.

thanks for the responses,
Pete

=20=20



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