[modeleng] Re: Ceramic Valves

Have a go at it.  You may be on the verge of coming up
with something very useful to our hobby.

Al Messer

--- Clif Walker <clif.gwr@xxxxxxxxxxxxxx> wrote:

> Hi All,
> As it is a bit quite at the moment here is an idea
> that I have been toying with.
> The other day I dismantled an old Kitchen Ceramic
> Disc Mixer tap. The ceramic discs units are a very
> nice sealed unit made from brass but having a couple
> of plastic components inside as well as the ceramic
> bits.
> Having got the thing to bits and removed the plastic
> bits I was left with basically a brass cartridge
> about 20mm diameter, with the moving ceramic discs
> inside but it would now need some spring loading
> arrangement to keep the discs together. The actual
> drive to the moving disc was brass with a splined
> shaft.
> The thought now is, with the right sort of adaptor
> could it be used as a Regulator in a Boiler. The
> Ceramics are heat proof, it has opening ports just
> like a regulator, and the surfaces should pretty
> well never leak. The only snag that I can see ,is
> possible wire drawing effect on the edges of the
> openings but  even that should not mattter as the
> discs slide over each other can it cannot be worse
> than Brass.
> 
> Any thoughts out there?
> 
> Regards
> 
> Clif
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