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-   -   non submersible pump self priming pump for glycol (http://www.homebrewtalk.com/f11/non-submersible-pump-self-priming-pump-glycol-203845/)

terrazza 11-02-2010 06:44 AM

non submersible pump self priming pump for glycol
I'm looking to find a non submersible pump to handle my 30 gallons 35% aqueous glycol (whatever viscosity that may be) through my 1.5 BBL jacketed fermenter. Would like it to be quieter than my march brew pumps, and would like it to be able to run for quite a while without a rest. I know it's not a standard pump anyone here would be interested in for brewing. Pipes are all 1" diameter throughout, but the pump head can be smaller or bigger. I keep seeing a LG non submersible self priming pump on the internet, but it says it can only handle 15 minutes continuous duty, and then needs 45 minutes rest. Anyone have any ideas? Thanks!

kladue 11-02-2010 05:40 PM

Why not look at one of these pumps for the glycol circulation http://www.pexsupply.com/Wilo-4090765-Star-S-21FX-3-Speed-Cast-Iron-Star-Series-Circulator-1-12-HP, it should be nearly silent in operation.

terrazza 11-02-2010 06:05 PM

looks solid, is there any cast iron that would be in contact with the glycol on that pump??

kladue 11-02-2010 07:25 PM

The body is cast iron so yes the liquid will be flowing past the cast iron, corrosion should not be a problem in a closed system. I have seen similar pumps used for this purpose in other small scale breweries, the price is hard to beat for this application.

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