[modeleng] Re: Copper boilers
- From: Peter Sheppard <peter.sheppard@xxxxxxxxxx>
- To: "'modeleng@xxxxxxxxxxxxx'" <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 1 Dec 2004 14:52:26 -0000
As far as I am aware in the UK, the following is required on copper boilers
every two years (it may apply to steel boilers as well).
1.5x hydraulic test; plus
steam test to demonstrate that with a full blower the safety valves will
maintain pressure at no greater than 10% above working pressure and at the
same time look for significant steam leaks
Cheers
Peter
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Hi there Al,
One slight thing which you mentioned, which no-one seems to have commented
on.
Over here in the UK, we normally give steel boilers an annual test
(correct me if I'm out of touch anyone), but copper boilers are only
tested every two years, and I had been lead to believe that this was just
the hydraulic test.
I know that the initial hydraulic test is to twice working pressure -
has someone mentioned before that some retests need only be to 1.5 times
working pressure?
Yours,
Rich.
On Wed, 1 Dec 2004, Allen Messer wrote:
> Thanks for the input, Gents! I'll just have to whip
> out a pump and give 'er a good test.
>
> Al Messer
> --- alanjstepney <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> wrote:
>
> > Yes.
> > Over here it is a requirement of all the Model
> > Engineering Societies and
> > their insurers.
> > Apart from that, they can deteriorate over time, and
> > as a test is so quick
> > and simple, it is better to test than not.
> >
> > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > www.alanstepney.info
> > Model Engineering, Steam Engine, and Railway
> > technical pages.
> >
> > ----- Original Message -----
> > From: "Allen Messer" <al_messer@xxxxxxxxx>
> > To: "modeleng" <modeleng@xxxxxxxxxxxxx>
> > Sent: Wednesday, December 01, 2004 1:44 AM
> > Subject: [modeleng] Copper boilers
> >
> >
> > Since it is assumed that model boilers made from
> > Copper are not affected by corrosion as are those
> > made
> > of Steel, is it necessary to give them an annual
> > hydro
> > and steam test?
> >
> > Al Messer
> >
> >
> >
> >
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--------------------------------------------------------------------
Peter Sheppard BSc (Hons) CEng FIEE FIRSE FSaRS
Principal Consultant
Lloyd's Register Rail Limited
5th Floor, 37-39 Corn Street
Bristol BS1 1HT
T: 0117 929 4443
F: 0117 929 4554
M: 07760 167 617
E: peter.sheppard@xxxxxxxxxx
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-----Original Message-----
From: R.L. Roebuck [SMTP:rlr20@xxxxxxxxxxxxx]
Sent: Wednesday, December 01, 2004 2:26 PM
To: modeleng@xxxxxxxxxxxxx
Subject: [modeleng] Re: Copper boilers
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