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Thread: Vorlauf Pump

  1. #1
    Join Date
    Feb 2004
    Location
    Black Mountain
    Posts
    74

    Vorlauf Pump

    Thanks to everyone who has ever posted a reply to my questions, we made it through our first couple brew days mostly unscathed, however......

    The weakest link in the system seems to be the brew house pump, and by weakest I mean way too strong! The 1 H.P. thoreson pupm literally BLOWS the wort back into the mash tun, if I throttle down the output, many funny noises become apparent, that sound like wort swirling violently in the tubing, therefore OXIDIZING!!!

    My question is...should I get a dedicated, lower volume pump for the vorlauf? Or is there another answer....

    Thanks
    Dave

  2. #2
    Join Date
    Oct 2002
    Location
    Los Angeles, CA
    Posts
    6
    Install a VFD on the pump

  3. #3
    Join Date
    Feb 2004
    Location
    Black Mountain
    Posts
    74
    VFD

    please eloborate, I am not sure what this is, or where to start looking for one.
    Dave

  4. #4
    Join Date
    Feb 2004
    Posts
    25
    Variable Frequency Drive.

    A speed control for the motor. This would allow you to slow the speed of the motor down. They are not cheap.

    MoreBeer

  5. #5
    Join Date
    Jul 2003
    Location
    Durango
    Posts
    83
    I second that motion.
    Bottoms Up!

  6. #6
    Join Date
    Jul 2003
    Location
    Durango
    Posts
    83
    notion....opps
    Bottoms Up!

  7. #7
    Join Date
    Oct 2003
    Location
    Santa Rosa CA USA
    Posts
    963
    Whoa! Way cheaper than changing to VSD is getting a dedicated lauter pump. Plus your main pump will be available for other uses during lauter.
    Even without checkin gpump supply places, look at a Grainger/McMaster-Carr stainless (or bronze if you don't use chlorine) fraction of a HP. Size for the GPM/head you need and not more, for most gentle and energy-efficient transfer. McMaster-Carr bronze circulator #4161K21 for $130 plus flanges will do about 4 gpm-enough for a 7 bbl lauter. Grainger #4RH78 for $317 (a sweet pump but better in TEFC) will give you over 35 gpm.
    Right tool for right job, or "When your only tool is a hammer, every problem starts to look like a nail!"

  8. #8
    Join Date
    Sep 2004
    Location
    STATE COLLEGE PA USA
    Posts
    36
    Not so, VFD's are available for less than a pump (new one of course). I got one for my alfa laval pump from automation direct.

    Works great.

    www.automationdirect.com

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