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Old 07-04-2012, 03:25 AM   #1
mnHawk8
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Default For Sale - 2 - Little Giant 3-MD-HC (581603) Magnetic pumps for sale

Hello all….I have 2 Little Giant 3-MD-HC (581603) magnetic pumps for sale; 1 new and 1 used. Both have original box/packages. Both have been opened. As mentioned, 1 has NEVER been used and the other as been used (once or twice).

I bought these a little over a year ago to use in my brewery, but never really implemented them.

Not sure what to ask for them…how about, based on what I see on eBay, including shipping, $170 for the unused one and $130 for the used one. I will ship (included in price) to the lower 48. Outside of that will include additional shipping charges.

I have a Paypal account (this would be my preferred payment method).

Don’t hesitate to ask questions.

Thanks for looking.

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Old 07-04-2012, 07:12 AM   #2
conardg
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this pump is not rated for the temperature <or= 200

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Old 07-04-2012, 02:42 PM   #3
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conardg - you are correct. I should have put that in my OP. Here is a link to LG's description on the pump: http://www.franklin-electric.com/irrigation-industrial/little-giant-mag-drive/highly-corrosive-handling/581603.aspx

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Old 07-04-2012, 03:52 PM   #4
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I could have sworn there was some technicality that made these pumps OK for boiling. Something about pressure rating or something. /shrug. I want it, but I'm broke sorry.

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Old 07-04-2012, 04:05 PM   #5
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I think I've read something similar on the form, but I'm not one to push my luck (and please don't take my word for it).

You could always let your pot sit until the temp drops below 200 and then pump, but I am not that patient.

They can also be used for other parts of the brew process.

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Old 07-04-2012, 06:56 PM   #6
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This pump head is the for corrosive fluids, and is constructed of glass filled ryton.

Look here for details of the construction:
http://www.pumpagents.com/pdf/LittleGiantPumps/3-MD-HC.pdf


Regarding the mechanical properties of this polymer, its Heat Deflection Temperature (HDT) is 490 F.

This info is found here:
http://www.technicalproductsinc.com/ryton_specs.html

Definition of HDT: http://en.wikipedia.org/wiki/Heat_deflection_temperature


Using this info, I decided to run these pumps on my rig. My wort does not stay above 200F for long when I am running this pump.

The longest it operates above 200 F is when the pump is operating during the tyndallization phase of system sanitation, and that will be for around 15 minutes.

Other than that, during wort chilling, it will remain about 200F for only a few minutes as the worts goes through the chiller.

These are terrific pumps. I looked at the spec sheets and consider them to be an excellent value for brewing.

BTW, I sold the white poly-pro version of these pumps a while back; the HC's are even better.

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Old 07-04-2012, 10:01 PM   #7
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Do you know what the HP is? I'm interested.

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Old 07-04-2012, 10:35 PM   #8
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1/12 hp

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Old 07-05-2012, 02:21 AM   #9
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These are awesome pumps. They are way more powerful than the common chugger or march. I use this same pump, it's no problem over 200 degrees. It also primes very easily with the center inlet. This is a great price for the pump. I think they are over $300 new.

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Old 07-05-2012, 02:28 AM   #10
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Quote:
Originally Posted by JRems
These are awesome pumps. They are way more powerful than the common chugger or march. I use this same pump, it's no problem over 200 degrees. It also primes very easily with the center inlet. This is a great price for the pump. I think they are over $300 new.
Does it handle boiling alright?
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