Re: Flow Rate
- From: yuvali300@xxxxxxxxx
- Date: Fri, 24 Aug 2007 08:39:31 -0700
On 24 A ustos, 17:57, "Roger Shoaf" <sh...@xxxxxxxxxxxxxx> wrote:
"Travesso" <cpaso...@xxxxxxxxxxx> wrote in message
news:1187801718.644211.178560@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Does pressure matter if the flow rate is correct.
Say you have 300PSI, and you adjust the portafilter exit hole to give
you 2 ounces in 20 seconds, does the pressure really matter (try to
ignore some obvious concerns)?
I suspect it would not matter as the pressure differential would give you a
net same result. This however is just a speculation on my part, taste is
the best gauge.
Good speculation! The resistance of ball valve will add to the
resistance of the coffee: GRAND RULE OF PRESSURE in any coffee
machine: Same Flow = Same Pressure (valid for vibe&rotary+lever).
David
.
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