[modeleng] Re: Copper boilers
- From: "Ron Head" <ron.head@xxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 1 Dec 2004 20:19:37 -0000
Hi Rich
Copper boilers - 2x initial hydraulic test, re-test to 1.5x and steam test
every two years.
Steel boilers - 2x initial hydraulic test, re-test to 1.5x and steam test
every year.
The above is now standard UK practice, adopted by Southern
Federation/Northern Association/7.1/4" Society. I'm told that the re-test
frequency may change in the future.
Regards
Ron Head
----- Original Message -----
From: "R.L. Roebuck" <rlr20@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Wednesday, December 01, 2004 2:25 PM
Subject: [modeleng] Re: Copper boilers
> 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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