"Badger" <brianhatton@[EMAIL PROTECTED]
> wrote in message
news:Zq2dndB295ySG-HVnZ2dnUVZ8vSdnZ2d@[EMAIL PROTECTED]
>
> "Oily" <martinhill100@[EMAIL PROTECTED]
> wrote in message
> news:t_adnbeBEs4U9uHVnZ2dnUVZ8vmdnZ2d@[EMAIL PROTECTED]
> >
> >> >>
> >> >> Badger, was it not possible to re-weld the joint that had failed
on
> >> >> the twin tank set-up?
> >> >
> >> >Do you really want me to answer why you shouldn't even be
considering
> >> >welding a rusty pressure vessel full of explosive vapours, whether
under
> >> >pressure or not????????
> >> >KA-BOOOOOOOOOOOOOOOOOOOOOOMMM!
> >> >
> >> >> Also would it be easier to replace the twin tanks with a single
> >> >> toroidal tank bolted to the underside of the floor of the truck,
> >> >> assuming they have died?
> >> >
> >> >Depends on vehicle. Customer wanted the same range at minimal cost -
2
> > 40ltr
> >> >tanks are considerably cheaper than a fancy filled-torroidal even
after
> >> >adding the multivalves into the equation.
> >> >Badger.
> >> >
> >>
> >> Vac purge and then fill with CO2? Far less risky than welding petrol
> >> tanks. Petrol tanks the stuff hides in the seams and keeps on
> >> vapourising.
> >>
> >
> > No problems welding petrol tanks, as you say but leave the pipe in the
> > tank
> > and continue purging slowly with the inert gas while repairing with
> > oxy-acetylene. Even if you wasted a full bottle of gas (which you
won't),
> > it's still cheaper than a new tank. Done lots, mostly motorcycle
tanks.
>
> You then have the legal issues of pressure vessels that haven't been
> pressure-tested and certified. In all honesty, if it IS a weld or part
of
> the tank that's gone ****ous, what condition are all the other welded
seams
> going to be like if one has already corroded heavily....? Not worth it.
> Think safety, replace with new ones that give you a certified 10 year
life.
> Badger.
>
Absolutely with LPG tanks, but I was replying to the comment on petrol
(gasoline) tanks.
Martin


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