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Old 06-03-2010, 11:55 PM   #21
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great, finally decided on the pumps i'm getting! +2 in the shopping cart!

Thanks!!



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Old 06-03-2010, 11:57 PM   #22
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I have one myself and will be adding a second one. It runs great and runs so quite.



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Old 06-03-2010, 11:59 PM   #23
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what type of rig are you brewing with?

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Old 06-04-2010, 12:02 AM   #24
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For me, the benefit of the LG pump is the ease in priming. I just never had good luck with my March (yes, I researched the proper way to prime it) and most times I had to get a siphon going and then turn it on. Too much babysitting IMHO, especially if you change tubing.

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Old 06-04-2010, 12:16 AM   #25
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I really dont think the extra 12 degrees for the short period of time it will be in there is gonna harm it i mean heck i have read on here that others are using the march pumps with the Polypropylene head which march only rates to 190. I have no worries about using it to move boiling liquids.

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Old 06-04-2010, 12:36 AM   #26
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Quote:
Originally Posted by arturo7 View Post
This is a ridiculous specification. The pressure is created by the pump itself. If you're pumping against gravity or restricting flow to control the rate you can easily hit the pump's max pressure.

Not saying the pump doesn't work with boiling wort, but it is outside the spec.
This isn't correct. These pumps are designed to be used in pressurized closed systems (among other things). The line pressures can sometimes be as high as 200 psi. The working pressures in the specs are referring to max working line pressures, not what the pump itself is capable of producing. The small mag drive pumps only put out about 5-10 psi at best IIRC. Both the polypropylene and Ryton heads can handle the near boiling temps no problem at the pressures we typically run.
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Old 06-04-2010, 12:38 AM   #27
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Quote:
Originally Posted by Csuho View Post
I really dont think the extra 12 degrees for the short period of time it will be in there is gonna harm it i mean heck i have read on here that others are using the march pumps with the Polypropylene head which march only rates to 190. I have no worries about using it to move boiling liquids.
+1 You could run 24/7 at the higher temp without problems. Nothing to worry about. I've yet to see anyone complain that their March or LG pump failed due to running hot wort through them. It would have been reported by now.
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Old 06-04-2010, 01:07 AM   #28
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Are the pump head and impeller in the March pumps "food grade"?

GT

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Old 06-04-2010, 01:13 AM   #29
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Quote:
Originally Posted by Got Trub? View Post
Are the pump head and impeller in the March pumps "food grade"?

GT
Probably, but I would not eat one. They would be difficult to chew and might cause some discomfort passing through the digestive tract.
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Old 06-04-2010, 02:29 AM   #30
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Probably, but I would not eat one. They would be difficult to chew and might cause some discomfort passing through the digestive tract.
Cute

How bout this. Is it safe to pump my boiling hot wort through this pump. Ferment it and then drink it.

GT


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