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Silvia OPV/Expansion valves: part avail in US

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  • Silvia OPV/Expansion valves: part avail in US

    http://coffeesnobs.com.au/YaBB.pl?num=1163372696/5#5


    So whos gonna be the first punk to retrofit this?
    Wonder if this can be screwed onto a Nemox Fenice...
    http://www.home-barista.com/forums/viewtopic.php?t=2415
    http://www.espressoparts.com/product/R_1406


  • #2
    Re: Silvia OPV/Expansion valves: part avail in US

    so what does it do? what are its advantages?

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    • #3
      Re: Silvia OPV/Expansion valves: part avail in US

      WTF?! I sell my machine and this comes out!

      It looks like it allows you to adjust your brew pressure down to the optimal range without potentially damaging your machine by doing the modification required on the old silvias. I wonder how long it will be until the importers here bring it in?

      Comment


      • #4
        Re: Silvia OPV/Expansion valves: part avail in US

        FWIW, Silvias sold in the US have been shipping with this style valve for at least a year now.

        Jim

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        • #5
          Re: Silvia OPV/Expansion valves: part avail in US

          Originally posted by jggall01 link=1164031728/0#3 date=1164117138
          FWIW, Silvias sold in the US have been shipping with this style valve for at least a year now.
          Looks like a nicely constructed valve Jim, have you had an opportunity to play around with one as yet?

          Mal.

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          • #6
            Re: Silvia OPV/Expansion valves: part avail in US

            Hi, Mal -

            No, I havent fooled around with one yet.

            I have used a portafilter pressure gauge on several US Silvias that came with the new valve. I have observed a range of dead head pressures, centered around 10 bars. None was more than 10.5 bars, and none less than 9 bars, IIRC.

            I just ordered a loose valve (from EspressoParts.com) to play with to see how it works and how to adjust it. I figure the $50 investment for the lesson is cheaper than screwing up the valve on my machine, or worse, on a customers machine.

            Jim

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            • #7
              Re: Silvia OPV/Expansion valves: part avail in US

              I saw they also have a replacement wand tip with 4 really fine, ported holes....might be nice

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