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Temporary seal on PVC pipe

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asalcedo

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Nov 1, 2011, 7:03:39 PM11/1/11
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I need a temporary (a few weeks) seal on 110mm PVC pipe in just two
joints.

The joints will not be subject to any forces.

The pipe is acting only as ventilation for a septic tank.

Gas leakage should be minimized.


I do not want to use push-fit socket pipe couplers because that would
imply cutting the pipe and, after those few weeks the joints may be
glued.

Would vaseline or grease work?

Any other idea?

Thanks,

Antonio




--
asalcedo

Lobster

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Nov 2, 2011, 3:47:26 AM11/2/11
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On 01/11/2011 23:03, asalcedo wrote:
> I need a temporary (a few weeks) seal on 110mm PVC pipe in just two
> joints.
>
> The joints will not be subject to any forces.
>
> The pipe is acting only as ventilation for a septic tank.
>
> Gas leakage should be minimized.
>
>
> I do not want to use push-fit socket pipe couplers because that would
> imply cutting the pipe and, after those few weeks the joints may be
> glued.
>
> Would vaseline or grease work?

What exactly are you trying to seal here: bit confused by your reference
to grease etc, as that implies using some form of push-fit connector
which you've expressly ruled out.

Are you just butting two identical 110mm pipes together? If so I'd just
go for duct tape in these circumstances.

David

Andy Wade

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Nov 2, 2011, 5:43:51 AM11/2/11
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On 02/11/2011 07:47, Lobster wrote:

> What exactly are you trying to seal here:[...]

Good question. If it's just to plug an open end then a drain test plug
is the usual way, e.g.

http://www.screwfix.com/p/bailey-steel-drain-test-plugs-100mm/62513


--
Andy

John Walliker

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Nov 2, 2011, 6:14:34 AM11/2/11
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On Nov 1, 11:03 pm, asalcedo <asalcedo.8f65...@diybanter.com> wrote:
> I need a temporary (a few weeks) seal on 110mm PVC pipe in just two
> joints.
...
after those few weeks the joints may be
> glued.
>
> Would vaseline or grease work?
>

If you plan to glue the joints later, don't use vaseline or grease.
The glue may not stick.

John

asalcedo

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Nov 2, 2011, 3:10:31 PM11/2/11
to

Lobster;2738885 Wrote:
> On 01/11/2011 23:03, asalcedo wrote:-
> I need a temporary (a few weeks) seal on 110mm PVC pipe in just two
> joints.
>
> The joints will not be subject to any forces.
>
> The pipe is acting only as ventilation for a septic tank.
>
> Gas leakage should be minimized.
>
>
> I do not want to use push-fit socket pipe couplers because that would
> imply cutting the pipe and, after those few weeks the joints may be
> glued.
>
> Would vaseline or grease work?-
>
> What exactly are you trying to seal he bit confused by your reference
> to grease etc, as that implies using some form of push-fit connector
> which you've expressly ruled out.
>
> Are you just butting two identical 110mm pipes together? If so I'd just
>
> go for duct tape in these circumstances.
>
> David

I have installed a large run of 110mm PVC pipe in the basement.

The joints have been glued. And all is working great, no leaks.

Two joints have not been glued. The male ends have just been inserted
into the female ends to form the joints. These two joints are going to
be temporary. In time I may glue them. Or I may not, because I may
decide to remove the portion of pipe between those two joints.

It looks like even without glue they are already fitting tightly enough
because no gas seems to escape. I may just put some vaseline to make
double sure.




--
asalcedo

Newshound

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Nov 3, 2011, 6:12:59 PM11/3/11
to
No, just wind electrical pvc tape (nice and stretchy as well as sticky)
over the outside. Could use duct tape.

asalcedo

unread,
Nov 4, 2011, 5:05:29 AM11/4/11
to

Newshound;2740017 Wrote:
> On 02/11/2011 19:10, asalcedo wrote:-
> Lobster;2738885 Wrote:-
> On 01/11/2011 23:03, asalcedo wrote:-
> I need a temporary (a few weeks) seal on 110mm PVC pipe in just two
> joints.
>
> The joints will not be subject to any forces.
>
> The pipe is acting only as ventilation for a septic tank.
>
> Gas leakage should be minimized.
>
>
> I do not want to use push-fit socket pipe couplers because that would
> imply cutting the pipe and, after those few weeks the joints may be
> glued.
>
> Would vaseline or grease work?-
>
> What exactly are you trying to seal he bit confused by your reference
> to grease etc, as that implies using some form of push-fit connector
> which you've expressly ruled out.
>
> Are you just butting two identical 110mm pipes together? If so I'd
> just
>
> go for duct tape in these circumstances.
>
> David-
>
> I have installed a large run of 110mm PVC pipe in the basement.
>
> The joints have been glued. And all is working great, no leaks.
>
> Two joints have not been glued. The male ends have just been inserted
> into the female ends to form the joints. These two joints are going to
> be temporary. In time I may glue them. Or I may not, because I may
> decide to remove the portion of pipe between those two joints.
>
> It looks like even without glue they are already fitting tightly
> enough
> because no gas seems to escape. I may just put some vaseline to make
> double sure.
>
>
>
> -
> No, just wind electrical pvc tape (nice and stretchy as well as sticky)
>
> over the outside. Could use duct tape.

You are right. Scotch® Super 88 All Weather PVC Electrical Insulation
Tape 33m x 25mm that I have will be perfect.

Simple enough too.

Tks.




--
asalcedo

NT

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Nov 4, 2011, 10:55:46 AM11/4/11
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exactly, its one more hassle to clean it all off. To block ends I use
a bit of sheet polythene, and stick any old compression fitting over
it.


NT
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