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Old 09-02-2011, 11:05 PM   #1
metalpysko
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Default Pumps and mash tuns

Have any of yall ever used a pump between ur mash tun and brew kettle?

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Old 09-02-2011, 11:08 PM   #2
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I do this. I utilize a grant so as to not compress the grain bed under the negative pressure a pump creates. If I didn't use the grant I would definitely go very slow. My setup is such that I can gravity drain if I would like to from mash tun to kettle. I use the pump since I was already using it to recirculate for my vorlauf, but it would be just as easy to gravity drain directly.

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Old 09-02-2011, 11:10 PM   #3
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Wort:

Mash tun to Grant
Grant to BK

so you gravity into the grant and pump into the BK, am I understanding correctly?

-=Jason=-

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Old 09-02-2011, 11:11 PM   #4
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Si Senior!

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Old 09-02-2011, 11:17 PM   #5
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I pump my MLT and have a false bottom. When I start pumping, I choke off the output with a ball valve for the first few minutes to set up the grain bed. I've only had one stuck mash and that was 40% Rye with no rice hulls. All I did was stir and start back slow again and it was fine.

One issue with pumping though is you can collapse your hose at higher temps if there is too much resistance. To help prevent this I use the braided reinforced silicone tubing and a 90 at the MLT output.

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Old 09-02-2011, 11:53 PM   #6
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I use a pump to drain my MLT also. It's a keg with a homemade false bottom. I drain slow by using a ball valve also. Instead of using a hose to my false bottom, I made it out of 1/2 stainless rigid pipe. The pipe has a union so I can remove the FB for easy cleaning. I use a RIMS, so since I recirculate with the pump, going to the kettle is as simple as moving the MLT return tubing to the kettle.

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Old 09-03-2011, 12:01 AM   #7
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So u use a resivor for ur run from ur mash tun then run ur other end of ur pump in there and pump into the bk

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Old 09-03-2011, 06:36 AM   #8
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Quote:
Originally Posted by metalpysko
So u use a resivor for ur run from ur mash tun then run ur other end of ur pump in there and pump into the bk .
Typical grant (reservoir) set-up

Mash/Lauter tun to grant



Grant to pump



Pump to brew kettle or back to Mash/Lauter tun for Vorlauf

To brew kettle



Vorlauf



Cheers,
ClaudiusB
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Old 09-03-2011, 05:57 PM   #9
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I like the grant setup. I may have to add one. For now I just use the output valve to slow the system down to avoid compacting the grain bed. It works well albeit a bit slow.

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Old 09-03-2011, 06:39 PM   #10
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I use a March pump from my rectangular (blue) cooler to my boil kettle. The MT cooler is equipped with a copper pipe manifold. I set the pump lower than the MT and use hoses with QD fittings. The pump and hoses fill by gravity. To vorlauf, I recirculate through the pump to the top of the grain bed, throttling the flow with a ball valve on the pump outlet.

Once the vorlauf is over and the flow rate is set at about 1 qt.min with the ball valve on the pump outlet, the pump is turned off, the hose is connected to the kettle ball valve, and the pump is re-started. Then I start fly sparging by gravity from my elevated HLT.

I have had no problems with collapsing hoses or grain beds, due to the slow flow rate, I guess.

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