Anyone wrap olives in ptfe ?

fred pretended :
Anyone wrap olives in ptfe ?

No, I might smear a bit of Plumbers Mait around it if I have doubts.

On 09/06/2021 08:44, Harry Bloomfield wrote:
fred pretended :
Anyone wrap olives in ptfe ?

No, I might smear a bit of Plumbers Mait around it if I have doubts.

I prefer mine with a dash of salt and few other veggies. Easier to
digest

On Wednesday, June 9, 2021 at 8:44:38 AM UTC+1, undefined wrote:
fred pretended :
Anyone wrap olives in ptfe ?
No, I might smear a bit of Plumbers Mait around it if I have doubts.

+1

You can get sealing compounds for potable water too if it is a slight weep that is causing a problem.

Richard

On 09/06/2021 08:37, fred wrote:

Anyone wrap olives in ptfe ?

Not as a general rule...



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Olives what? Sounds like a fetish I'd not heard of, who is Olive?
Brian

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"fred" wrote in message
...
Anyone wrap olives in ptfe ?

On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

I've only just figured out what you meant.

The standard advice is that you should not, presumably on the principle
that any foreign matter across the sealing face could prevent the
formation of a good seal.

While that might (or might not) be true of, say, hemp, I don't believe
it would be an issue for PTFE because of its very low "flow pressure".

That said, personally I avoid putting it over an olive but I *do* use it
on the male threaded portion, because the low friction means you get
more "pinch" for a given torque.

It does not, in general, provide sealing even with multiple layers of
tape on the threads because there is still likely to be a leak path back
along the pipe. Although for tap connectors, lengths of tape twisted
into a rope and wound round the pipe as a sort of backup to the fibre
washer will sometimes provide a seal, especially for DHW where the
pressure is lower than the cold main.

In article ,
fred wrote:
Anyone wrap olives in ptfe ?

Yes. When I'm forced to use a compression fitting.

It does no harm and not as messy as a paste.

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On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

without fail

On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

No, it shouts of amateur. I prefer to use any other lubricant if it is
necessary. Petroleum jelly if potable.

PTFE should be confined to threads IMHO.

In article ,
Fredxx wrote:
On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

No, it shouts of amateur.

Oddly, it was a pro I got the tip from. Long before newsnet.


I prefer to use any other lubricant if it is
necessary. Petroleum jelly if potable.

It's not acting as a lubricant. More of a sealer.

PTFE should be confined to threads IMHO.

The threads pay no part in sealing a compression fitting.

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Dave Plowman London SW
To e-mail, change noise into sound.

On 10/06/2021 00:23, Dave Plowman (News) wrote:
In article ,
Fredxx wrote:
On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

No, it shouts of amateur.

Oddly, it was a pro I got the tip from. Long before newsnet.


I prefer to use any other lubricant if it is
necessary. Petroleum jelly if potable.

It's not acting as a lubricant. More of a sealer.

You've contradicted this statement below?

PTFE should be confined to threads IMHO.

The threads pay no part in sealing a compression fitting.

I meant threaded fittings and not compression fittings, such as taper
threads etc.

In article ,
Fredxx wrote:
On 10/06/2021 00:23, Dave Plowman (News) wrote:
In article ,
Fredxx wrote:
On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

No, it shouts of amateur.

Oddly, it was a pro I got the tip from. Long before newsnet.


I prefer to use any other lubricant if it is
necessary. Petroleum jelly if potable.

It's not acting as a lubricant. More of a sealer.

You've contradicted this statement below?

PTFE should be confined to threads IMHO.

The threads pay no part in sealing a compression fitting.

I meant threaded fittings and not compression fittings, such as taper
threads etc.

The question was about PTFE on an olive? Using it there helps the seal
between the ends of the threaded part that the olive bears on. It might
reduce friction too - but then I always tighten compression fittings till
they groan. ;-)

--
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Dave Plowman London SW
To e-mail, change noise into sound.

On 10/06/2021 12:07, Dave Plowman (News) wrote:
In article ,
Fredxx wrote:
On 10/06/2021 00:23, Dave Plowman (News) wrote:
In article ,
Fredxx wrote:
On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

No, it shouts of amateur.

Oddly, it was a pro I got the tip from. Long before newsnet.


I prefer to use any other lubricant if it is
necessary. Petroleum jelly if potable.

It's not acting as a lubricant. More of a sealer.

You've contradicted this statement below?

PTFE should be confined to threads IMHO.

The threads pay no part in sealing a compression fitting.

I meant threaded fittings and not compression fittings, such as taper
threads etc.

The question was about PTFE on an olive? Using it there helps the seal
between the ends of the threaded part that the olive bears on. It might
reduce friction too - but then I always tighten compression fittings till
they groan. ;-)

One of the times that ptfe on the thread of a compression fitting helps
- you are able to work much quieter without all the squeaking and
groaning :-)

(also good for restricted spaces which need short spanners, you can get
better tightening)


--
Cheers,

John.

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On 09/06/2021 08:37, fred wrote:
Anyone wrap olives in ptfe ?

NEVER!


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