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Home Brew Forums > Home Brewing Beer > DIY Projects > Chillers and Stir Plates > counter flow chiller using paratherm lr fluids
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Old 08-16-2009, 01:13 AM   #1
CPTHOOK
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Default counter flow chiller using paratherm lr fluids

has anyone used a receculating counterflow chiller with glycol? I have access to 10 us gallons of the paratherm Lr and the specs look good just need some more home brewers input.

Paratherm LR HEAT
TRANSFER
FLUID
Single Fluid Heating and Cooling Non Aromatic Non Aqueous

Pharmaceutical Production Equipment
Secondary Coolant ("Brine") Systems
Food-Grade
The Paratherm LR low-range heat transfer fluid is rated for service from -40F to 400F (-40C to 204C). Non-aromatic, this non-toxic liquid is safe to use and is easy to dispose. Tough and durable, the Paratherm LR fluid is designed for a broad variety of cooling and heating applications. It is engineered to provide extended performance under rugged operating conditions, yet is easy and safe to handle.


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Old 08-16-2009, 01:39 PM   #2
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Seems like you'd need a pump to recirculate it, and a second heat exchanger to get the heat out of the glycol. Where's the benefit?


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Old 08-16-2009, 02:38 PM   #3
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It can be done of course but you'd need to hold a large quantity of it in a deep freezer and use a pump that is capable of pumping sub zero liquids. You'd want to pump it through your chiller and then hold the output in a separate tank. I'd say the breakeven point over icewater is like 1000 batches if you buy the ice.
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Old 08-16-2009, 02:57 PM   #4
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i have the pumps,frezzer, insulate ss lines. But i have never used any thing but ice water. I scored the paratherm from work. but i had not thought of the seperate holding tanks. thanks
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