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La Valentina Semi Auto flow surge at end of shot

Postby sweetespresso on Sun Jan 31, 2010 10:22 am

Hello all,

I have a La Valentina Semi Auto (BFC Junior) that is only a few weeks old. Whilst the flow of espresso is perfect during the shot, when i stop the shot with the switch the flow seems to surge out of the portafilter? (ie the last section of the shot flows faster than what had come before it; Interested to know why this occurs and if there is anything one can do to stop it.

Regards,

:D
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Postby HB on Sun Jan 31, 2010 10:29 am

I own one and it's caused by the closure of the grouphead solenoid. If it bothers you, move the cup aside first and then turn off the pump.
Dan Kehn
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Postby zin1953 on Sun Jan 31, 2010 1:07 pm

Ditto. I, too, own one and my experience is the same as Dan's (and yours).
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Postby tekomino on Sun Jan 31, 2010 5:37 pm

Same here on Alexia... I can't say I noticed difference in a cup when I pull the cup out before turning off the pump...
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