You aren't allowed to build boilers any more (unless it is a
never-to-be-steamed static model), it will need to use traceable metal parts
(including solder) and have a proper current steam-certificate and
traceability report, and they have to be built by people with proper
certification..... talk to your local club boiler officer about it..... laws
on pressure vessels have got a lot tighter recently, the days of thhe
home-made boiler have pretty much gone......
On Mon, 24 Oct 2005 22:54:28 +0100, "ChrisCrosskey"
I was under the impression you could still build copper boilers?
Perhaps I'm wrong
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My understanding is that the regulations concerning welding and
certification of the operative applies to steel (copper boilers are not
welded). However traceable materials is still an issue.
My understanding is that you may build your own copper boiler but if you
ever want to sell the engine you give away the boiler "for free".
However, the advice about contacting your local club is still valid
because you will never be able to run the finished engine public place
without insurance. The club will be affiliated to one or other of the
two UK ME Federations who in turn appear to have negotiated with some
insurers and agreed some reasonably sensible rules for "small" privately
built pressure vessels not used for commercial purposes.
It is not all bad news and the new rules for pre-existing boilers are
not unduly onerous. The rules for hydraulic testing have been relaxed
apart from a rather vague and ill-defined requirement for a "visual
inspection". Few could grumble that the more important steaming test
(safety valve test) is now annual.
Yes you can. The regulations are extremely tight if you plan to make
them commercially and sell them, but somewhat different for building
your own boiler for your own use. You will need to join your local
model engineering club, in order to get it certified (which is
definately a must). The boiler inspector at the club should also be
able to help you with any questions.
It does state that silver soldering must be carried out by a
"competent person", although there is no actual definition of this
term. So make sure you've had some practive first before trying the
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