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Old 03-28-2012, 03:15 PM   #1
TheMan's Avatar
May 2009
Posts: 3,045
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My mlt uses a stainless braid as the manifold. Any reason I can't pump the wort from the mlt to my kettle? Or anything I need to be weary of while doing this? Sucking grain particulate through?


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Old 03-29-2012, 08:09 PM   #2
processhead's Avatar
Oct 2007
Posts: 791
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Are you talking about using the pump as part of the run-off process?

I think the pumping rate for an unmodified pump would exceed the optimum run-off rate from your MLT. You could have problems with bed compaction or other issues.

This might be possible to do if you throttled the pump discharge with a valve to meet a slower run-off rate.

If you are running off into a container by gravity flow, and then tranferring from the container to your boil kettle, then the pump should work fine for the transfer at it full pumping capacity.

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Old 03-29-2012, 09:00 PM   #3
iijakii's Avatar
Jun 2010
Portland-ish, OR
Posts: 6,032
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Some people claim to have issues with pumping from the MLT and getting stuck sparges, but there are tonnes and tonnes of people that do it without issue. I don't know if there's a flow trick you need to worry about.

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Old 03-29-2012, 09:35 PM   #4
RoadKing's Avatar
Oct 2005
Bayville, N.J.
Posts: 464
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I don't know anything about braids. I have a full false bottom and circulate continually throughout mash at full speed (RIMS). When its time to sparge (Fly) I pump it into boil kettle but cut it down to a trickle via a valve. I believe batch spargers do the same thing only they run it wide open untill it is drained. I did put a vacum gauge on the down stream side to make sure the mash isn't sticking, which it rarely does, and if it does stick, I shut off the pump, stir, and let it rip again.

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