capping 15mm gas pipe

[noname]

If i wanted to remove an old gas fire, is the procedure to cap the gas
(15mm copper) pipe really as simple as

1. turn off gas
2. cut the 15mm pipe i wish to cap
3 fit one of the following
http://www.screwfix.com/prods/73019/Plumbing/Compression-Fittings/Kuterlite-Stop-End-651-15mm-Pack-of-10
4. turn gas back on and check for leaks

I would cap the pipe in an easily accessible area, as it is a
compression fit.

Do I need any gas jointing compound on the threads or any where else?

Thanks

[Steve Firth]

noname <non...@noname.noname> wrote:

> Do I need any gas jointing compound on the threads or any where else?

Yes. But TBH if this is a long-term capping off of the tube I would use
a yorkshire or capillary feed solder cap to blank it off.

[TheScullster]

"Steve Firth" wrote

>> Do I need any gas jointing compound on the threads or any where else?
>
> Yes. But TBH if this is a long-term capping off of the tube I would use
> a yorkshire or capillary feed solder cap to blank it off.

In which case it's a whole different story wrt purging gas etc presumably

Phil

[m1ss_...@yahoo.co.uk]

A definite no no unless you are a competent person. Get the CORGI man
in and be safe.

[John Rumm]

noname wrote:

> If i wanted to remove an old gas fire, is the procedure to cap the gas
> (15mm copper) pipe really as simple as

Step 0 - check for leaks first - makes any problems found at 4 less
frustrating to find!

> 1. turn off gas
> 2. cut the 15mm pipe i wish to cap
> 3 fit one of the following
> http://www.screwfix.com/prods/73019/Plumbing/Compression-Fittings/Kuterlite-Stop-End-651-15mm-Pack-of-10
>
> 4. turn gas back on and check for leaks

5 - After replacing test point screw on meter, check that for leaks with
a leak detector spray.

> I would cap the pipe in an easily accessible area, as it is a
> compression fit.
>
> Do I need any gas jointing compound on the threads or any where else?

No, not with a compression fitting. Some people use some PTFE on the
thread purely to act as a lubricant - it makes no difference to the
actual sealing however since that is achieved by the olive not the
threaded bit of the fitting.

--
Cheers,

John.

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[Ed Sirett]

John Rumm has the measure of this job. There is absolutely no problem
using the compression fitting (a little boss/hawk white compound on the
olive makes for a surer job).

Do read the gas fitting FAQ. Please.

--
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at http://www.diyfaq.org.uk
Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html
Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html
Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html