Dan, look at the following website and look in the 'Article" section, also
see the other sections of "Buying Guide" etc. I think you will gain a lot of
knowledge here.
good luck,
RD


"Dan Gray" > wrote in message
m...
> Hi,
> I've got a project on the go and need some details about expresso
> machines, hopefully some of you will have the answers...
>
> An espresso machine should deliver water at around 5bar (60 psi),
> what is the ideal temperature of water and what volume of water should
> we be delivering at 5psi (in litres/min or suchlike)?
>
> Does anyone know what sort of piping diameter that would correspond
> to?
>
> Thanks
> Dan