[modeleng] Re: Butane gas tank valve dismantling - OT
- From: Allen Messer <al_messer@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Tue, 23 Oct 2007 06:41:12 -0700 (PDT)
I like the Loc=tite idea! If it works, please post
the results.
Al
--- "R.L. Roebuck" <rlr20@xxxxxxxxxxxxxxxx> wrote:
> Hi there Al,
>
> This looks like is needs a 20 pronged tool to go
> around the castillated
> fitting which is about 1" OD - there is noting
> inside the fitting which it
> looks like you can grib to appart from the thread
> which the gas fitting
> itself screws into. Am contemplating loctitiing
> something into this thread
> to try and unscrew the fitting with.
>
>
> Yours,
>
>
> Rich.
>
> On Tue, 23 Oct 2007, Allen Messer wrote:
>
> > Rich, I do not know about the GAZ containers, but
> the
> > American style disposable Propane containers have
> a
> > check valve that can be removed with the same type
> > tool used to remove the valve stem from an
> automobile
> > tire. The threads are Right-handed in these
> bottles.
> >
> > Al Messer
> >
> >
> > --- "R.L. Roebuck" <rlr20@xxxxxxxxxxxxxxxx> wrote:
> >
> >> Hi there All,
> >>
> >> I know this request is going to generate a flood
> of
> >> "that's" dangerous"
> >> and "needs to be done with care" e-mails, so
> before
> >> I even ask the
> >> question, let me just point out that we're a
> group
> >> of experienced
> >> engineers, and out Health and Safety person here
> is
> >> working with us
> >> (however that doesn't of course make us immune
> from
> >> something going
> >> wrong).
> >>
> >> We need a small air vessel for just a few weeks
> of
> >> use, but the air vessel
> >> needs to have a large opening at one end.
> >>
> >> It's been suggested that we use one of the old
> thick
> >> walled blue Camping
> >> Gaz butane cylinders, to the 1970's design, of
> which
> >> I have a few spare.
> >>
> >> We've vented the cylinder and washed it out twice
> >> with water (and I can
> >> see why you'd want to do that - even after
> venting
> >> for 12 hours, when it
> >> had been closed again for 12 hours, the smell of
> gas
> >> from it again was
> >> quite bad).
> >>
> >> So here's the question - how do you remove the
> brass
> >> insert which forms
> >> the check valve, which I presume is screwed into
> the
> >> top of the steel gas
> >> cylinder? We don't have a special fitting to go
> on
> >> the castellations
> >> around the brass inserts outside, also we don't
> know
> >> if it's a left of
> >> right handed thread.
> >>
> >> I'm not keen to attempt anything before speaking
> to
> >> someone who's done it
> >> before, and perhaps suprisingly, perhaps not, I
> >> couldn't find any web
> >> pages on anyone who'd done it before.
> >>
> >> It's been suggested we could drill it out, or
> >> machine the top off, but I'm
> >> reluctant to do anything like that - I'd much
> prefer
> >> to gently unscrew it
> >> incase there are any hidden nasties lurking
> within
> >> it.
> >>
> >> Does anyone have any thoughts, cautions,
> warnings,
> >> advice?
> >>
> >> Yours,
> >>
> >>
> >> Rich.
> >> MODEL ENGINEERING DISCUSSION LIST.
> >>
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> >> to,
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> >> "unsubscribe" in the subject line.
> >>
> >
> >
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