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Thread: VBM Super - purging steam wand

  1. #1
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    VBM Super - purging steam wand

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Recently Ive had occasion to leave my machine on longer than normal and need to do a longer cool-down flush and wet-steam purge.

    Man am I frustrated *>:( with the quantity of wet steam after these long (over 1 hour) sits. It just destroys the opportunity for good microfoam.

    Should I do the steam wand purge first while there is high pressure? Then the cool-down through the group head? I think Im doing it the wrong way around and losing too much pressure overall so the steam wand purge is wet and spitty for a long time (for the length of time to steam 400ml of milk).

    EDIT: Whoops, Im in the wrong section :D if a mod finds this could you please move it to the right machine category? Thanks!

  2. #2
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    Re: VBM Super - purging steam wand

    I am confused, isnt the Super the one with 2 boilers?, so why would you need to do a cooling flush since the steam has nothing to do with the hot water coming through the grouphead?.

    I do that on my Domobar after steaming the milk because of the single boiler and to make sure there is water in the boiler to cover the elements

  3. #3
    Sleep is overrated Thundergod's Avatar
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    Re: VBM Super - purging steam wand

    Intellidepth said she is doing two things:

    1 - A cool-down flush.
    2 - A wet-steam purge.

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    Re: VBM Super - purging steam wand

    Quote Originally Posted by dAz52 link=1222063229/0#1 date=1222140025
    I am confused, isnt the Super the one with 2 boilers?
    Nope, Intellis is the standard Domobar Super, not the DS Dual Boiler... pretty sure no one has any of these yet, apart from ECA....

  5. #5
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    Re: VBM Super - purging steam wand

    ok, was not aware they made a single boiler super, I have only seen the dual boiler version.

    yes on my single boiler machine I do run the water through the steam wand after stretching the milk.

  6. #6
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    Re: VBM Super - purging steam wand

    I dont think the dual boiler has been released. I think your thinking of the regular Domobar super which is the HX version, as opposed to your single boiler Levetta.

  7. #7
    Senior Member Koffee_Kosmo's Avatar
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    Re: VBM Super - purging steam wand

    Anyway back to answer Intellidepths question

    I leave my Bezzera on for 18 hours a day with long spells between drinks, time makes no difference

    First - Cool down the group head by releasing water until steam dissipates and clear hot water is seen (I do this by placing a round glass bowl under the GH)
    This is safer and keeps my bling machine clean from water spots

    Second - Make coffee

    Third - Purge steam wand and start foaming your milk
    Best steam purge method - to prevent burns is to place wand down a tall plastic cup
    You will only get a very small amount of water the rest is useable steam

    KK

  8. #8
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    Re: VBM Super - purging steam wand

    Thanks.

    I usually use KKs order (I like the tip about the tall cup) and find that it has a lot of wet steam.

    The last couple of days Ive done a long wand purge (+ allowed full recovery of pressure) before starting my typical routine and found that its dry from then on. And because its dryish, I only need to do a half-second quick purge before starting to steam the milk. I can now do my shot and steam at the same time. :)

    The long purge usually takes the steam pressure down to about 0.5 bar to get it from wet to dry. Pressure usually sits at 1.1-1.2 bar.



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