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Old 03-05-2012, 08:12 PM   #11
Palefire
 
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Jun 2009
SF, CA
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Quote:
Originally Posted by day_trippr View Post
Don't know about all that drama, but the Iwaki MD series is only rated for 80C/176F...

Cheers!
Yes, there's a thread on here where someone called Iwaki to ask them about this. The company replied that they'd only tested the pumps up to that temp because they couldn't imagine a use that would require higher temps. What did that mean for uses like ours? They didn't know.

Either way, just noting that I and a fair amount of other brewers have opted to "roll the dice" on this one and that it's turned out great. I've made about 15 batches with my pump, have recirculated the mash and whirlpooled at the end with no discernible detriment to either my beer or my pump.

You're right - I probably should have noted the temp rating! (And I wasn't trying to start a fight; it's just that I've been flamed in the past for even suggesting that there might be other options available!) But given that what that temp rating means for our uses isn't really clear, the OP might be able to save a bunch of money if he/she desires.

Just my $0.02.

 
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Old 03-05-2012, 08:13 PM   #12
Dr_Jeff
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Dec 2011
Madison, AL
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Quote:
Originally Posted by day_trippr View Post
Don't know about all that drama, but the Iwaki MD series is only rated for 80C/176F...

Cheers!
The plastic that the head is made out of was a lot hotter than that when it was made.

 
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Old 03-05-2012, 08:19 PM   #13
JRems
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Nov 2010
Mahopac, NY
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The little giants are only rated for 200F and we use those for brewing too. The materials of the iwaki, LG, march, chugger are the same plastic. They should all work fine. My LG has no problem Pumping boiling wort.

 
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Old 03-05-2012, 09:13 PM   #14
skeeordye11
 
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Jan 2007
RTP/RDU, NC
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Quote:
Originally Posted by Palefire View Post
Yes, there's a thread on here where someone called Iwaki to ask them about this. The company replied that they'd only tested the pumps up to that temp because they couldn't imagine a use that would require higher temps. What did that mean for uses like ours? They didn't know.

Either way, just noting that I and a fair amount of other brewers have opted to "roll the dice" on this one and that it's turned out great. I've made about 15 batches with my pump, have recirculated the mash and whirlpooled at the end with no discernible detriment to either my beer or my pump.

You're right - I probably should have noted the temp rating! (And I wasn't trying to start a fight; it's just that I've been flamed in the past for even suggesting that there might be other options available!) But given that what that temp rating means for our uses isn't really clear, the OP might be able to save a bunch of money if he/she desires.

Just my $0.02.
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Old 03-06-2012, 12:47 AM   #15
ron,ar
 
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Feb 2007
Little Rock, arkansas
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you sure probably won't like this.
I have a set of these pumps which I intend to use on my poor-boy system.
It is only 12 volts dc but I do all my brewing outside and sometimes not where elect is available. I can always use an inverter to run it anyway. They are centrifigual pumps, but a vane pump is also available, but it has a plastic head. These are brass fluid heads and are used for heater booster pumps on longer vehicles such as buses. They are normally operating with 192-200*F water. I have no doubt they will operate at 212 or above. They have a load rating of 6amps and we use them on all of our buses. I have not seen an official flo rating but I do know they will empty a 5 gallon bucket in less than 15 seconds using a 1" inlet hose and a 1" outlet without any head restriction. I tested it today. I am gonna try it an see how it works.
New ones are priced comparable to the standard March pumps so there is no savings there.
I have several, usually they just need a new seal which is 4.95.
BTW-the plastic ones are not worth a darn.Click image for larger version

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Old 03-06-2012, 12:53 AM   #16
kincade
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Aug 2008
Utah
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Quote:
Originally Posted by Mb2658 View Post
Speaking of pumps....

Anyone have an idea when Chugger is going to have pumps back in stock?
Last time I spoke to Mike he said mid March.

I actually have one Chugger I bought in November that I may not be using after all (possibly sticking with just one pump), if I decide to sell it I'll post it in the classifieds.
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Old 03-06-2012, 01:19 AM   #17
Mb2658
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Nov 2011
, NE
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Quote:
Originally Posted by kincade

Last time I spoke to Mike he said mid March.

I actually have one Chugger I bought in November that I may not be using after all (possibly sticking with just one pump), if I decide to sell it I'll post it in the classifieds.
Let me know. I am in the market.

 
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Old 03-06-2012, 01:50 AM   #18
day_trippr
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May 2011
Stow, MA
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Quote:
Originally Posted by Dr_Jeff View Post
The plastic that the head is made out of was a lot hotter than that when it was made.
That's hardly meaningful. As in "not at all".

PVC is molded at 350F. That doesn't make it safe to use at boiling temperatures...

Cheers!

 
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Old 03-07-2012, 03:22 AM   #19
ekjohns
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May 2009
IL
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Quote:
Originally Posted by Mb2658 View Post
Let me know. I am in the market.
in box full. PM me when you get a chance

 
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Old 03-07-2012, 04:44 AM   #20
JuanMoore
 
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Oct 2009
The Old Pueblo
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Quote:
Originally Posted by Palefire View Post
I've been using an Iwaki pump for about a year and a half now. Got it for $40 on ebay. (Much) more power than a March, (much) easier to prime, handles boiling wort like a champ. I know lots of people here will probably start flaming - you tend to hear a lot of "If you don't use a March or Chugger your beer will be ruined and you'll die!" round here - but I love it.
Quote:
Originally Posted by JRems View Post
The little giants are only rated for 200F and we use those for brewing too. The materials of the iwaki, LG, march, chugger are the same plastic. They should all work fine. My LG has no problem Pumping boiling wort.
Yep. The LG and Iwaki pumps are much easier to find used than a march 809 or chugger, which means they can often be found cheaper, even though they list for more money new. I picked up my LG on craigslist for $25. With the ease of priming, super flow rate, and near silent operation, you'd have to pay me to switch to a chugger or march 809. Yes the temp rating is lower, but that is a rating at the max pressure. With the near zero pressure in a home brewing system they can handle much hotter temps. I don't have any reservations using mine to pump boiling wort, but I know a lot of people do.
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