Re: [CH] pressure canners/cookers

jim wolfe (yoda@clark.net)
Sun, 20 Sep 1998 22:57:44 -0400

the safety plug is suposed to melt and relieve the pressure at about
265F  - long before the pot bursts

Celeste or Dave Anderson wrote:
> 
> We use a Mirro pressure cooker/canner which has a weighted jiggler
> with three different sized holes. The cause the weight to jiggle and
> release steam at 5, 10, and 15 lbs. At our altitude, most everything
> is cooked or canned at 15 lbs. There is also a blow-out plug which
> will supposedly blow if the steam nozzle is blocked. The instructions
> don't say at what pressure the blow-out plug explodes.
> 
> Mirro also makes a single pressure cooker\canner. Pressure is 15 psi.
> > >
> > > I use these small pressure cookers/canners a lot.
> > > The nice large ones have pressure gauges, but you have a vent jiggler
> > > which serves the same purpose.
> >
> > Actually, it's not a loose jiggler, it's a non-removable weighted
> > valve that pops up as soon as pressure begins to form and steam
> > needs to vent.
> > >
> > > If you have the single position jiggler (one hole) it releases
> > > steam at 10 PSI above your current sealevel pressure.
> >
> > It is a single hole type release mechanism.  I was hoping to find
> > some mention of the pressure at which it begins to vent in the
> > instructions that came with the cooker, but there is non...and
> > there is no list of specifications that might include such info.
> >
> > I guess I'd have to assume its 10 PSI, but that would only be an
> > unverifiable guess.  Think I'll stick to boiling water bath
> > suitable preserving for now.
> >
> >
> > --
> > Rich McCormack (Poway, CA) macknet@cts.com
> >
> > Who is Rich McCormack?  Find out at...
> > http://members.cts.com/crash/m/macknet/
> >
> >

--
Jim W		My opinions are just that; not my employer's or my wife's!
!! Do not assume that your freedoms are assured !! The truth is out
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 Brew and Let Brew; Homebrewing is Fun -- For a Hot Time: EAT CHILES