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Le/On17 Jul 96 @ 18:26, vous ecrivites/you wrote:
> Marc Dufour <emdx@ac*.ne*> wrote:
> >What the hell is SO DIFFICULT with making a SIMPLE 1/4 turn
...
> Heat of pressurization.
>
> According to an IANTD textbook, "rapid pressurization to 2000 psi
> will generate a gas temperature approaching 1600 degrees F". If
...
> With lesser percentages of oxygen, you might be off the hook for
> such dire consequences, but the smashing you'd be giving to the HP
...
> quickly cranking the valve open reduces wear quite a bit.
>
> For high-pressure applications, slow-opening valves are recommended.
Well, let's nitpick a bit more (although I agree with the above). The
old J-Valve was nothing short than a 1/4 turn valve, wasn't it?
Now, to kitbash more (and hang myself with techno rope), why not put
a dashpot along the valve to make sure it is opened slowly, and (more
rope) have a ratchet mechanism so the dashpot does not prevent the
valve from being closed rapidly (like in case of a free-flow)???
Haha, only serious...
----------------- Pour la Republique Francaise du Quebec -----------------
The greatest threat to democracy comes when the accountants are
taking charge: they will tend to implement "one dollar=one vote".
~~~ Last dive: the "Cathedral", a geological fault in Massawippi lake. ~~~
This .sig is illegal in the states, because it contains a dirty word.
Marc Dufour - [\] ACUC6 31874 - TDI CD-0197 - http://www.accent.net/emdx
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