Mine makes a sound when I turn it on after it has been off a while. It does
not sound like escaping gas, but gas being equalized between to chambers.

More like a "bump" than a "pfft." Pretty technical, I realize.

Jim

On Mon, Nov 25, 2013 at 1:06 PM, Al Knoll <anasasi@gmail.com> wrote:

> Now the plot sickens.  IF I hear a pffft, AND the seal is working
> correctly THEN the pffft is merely filling the oddly empy 'rest of the
> system'.  Since the pffft is often no more than a pfft, the regulator
> may have a 'seep' that slowly empties the rest of the gas plumbing.
> Soap spray on the way after I get a look down under for obvious
> culprits.  No sense replacing perfectly good functioning parts even if
> they are victims of old age and decreptation, horrid age spots, and
> pattern baldness.
>
> Pensionerd.
>
> On Mon, Nov 25, 2013 at 10:42 AM, Ryan Press <ryan@presslab.us> wrote:
> > Yeah, on some valves turning the stem all the way out will compress
> > the packing washer, creating a tighter seal.  The Westy tank valve
> > isn't like this.
> >
> > I could see how that o-ring would commonly leak in the middle of the
> > valve range; there would be more wear and corrosion in the middle.
> > But any kind of leakage means the valve is failing, even if the
> > leakage stops when turned all the way out.  A propane leak is not
> > acceptable.
> >
> > New valves aren't that expensive either (maybe $50) so that's another
> > good option for a leaking service valve.
> >
> >
> > Ryan
> >
> > On Sat, Nov 23, 2013 at 10:08 PM, chris and/or ruth
> > <populuxe59@yahoo.com> wrote:
> >> I know on some valves, there is a solid seal formed when the center
> plug is all the way up or all the way down. When it's in between, it relies
> on only an O-ring to seal and that is not designed to hold back the gas
> full time, it is intended only for valve operation.
> >>
> >> Other valves need to be turned all the way in or out---then turned back
> a quarter turn after the stop.
> >>
> >> Which style would a propane tank be?
> >>
> >> Chris 3
> >>
> ----------------------------------------------------------------------------------------
> >>
> >>
> >>
> >> Re: Repairing the propane turn on valve
> >>
> >> Um, I set my valve to either on or off. What's the point of a partway
> >> setting?
> >>
> >> --
> >> Jack "Rocket j Squirrel" Elliott
> >> 1984 Westfalia, auto trans,
> >> Bend, Ore.
>