Need help finding a cooling pump!

[Brewmoor]

I am having a hard time finding a continuous duty pump for my DIY fermentation cooler. I have gone through two types of pumps and for various reasons they were not working. The last pump worked well but ended up not being able to handle the duty and burned up.

I am pushing RV antifreeze from a freezer up to my fermenters that have stainless coils in them. Size of inputs and outputs are not that big a concern. 3/8 is what the system is set up for but I can use reducers if I find the right pump.

Any ideas?

 

[Dunerunner]

What GPM are you moving the coolant at? Is there any head pressure or rise on the pump?

Have you looked here? http://www.mcmaster.com/#centrifugal-pumps/=av00l5

 

[wyzazz]

Maybe a continuous duty aquarium pump would work. I used an Eheim 1250 to cool a computer at one point. http://www.aquariumguys.com/eheim1250.html

 

[Brewmoor]

I needs to be able at max to push 3 individual, 3/8 tubing 20 feet plus 50ft stainless coil. At peak height it is about 7-8ft in the air.

Also self priming would be ideal but I could manage if I had to prime it every once in a while.

 

[wyzazz]

I might try one of the larger LG models for something like this. http://www.faucetdirect.com/mediabase/specifications/580506_specs.pdf

 

[Brewmoor]

This is the last pump I tried. I burned it up. I even put a bunch of heatsinks on it and one heatsink with a fan.

http://www.dudadiesel.com/choose_item.php?id=dia115v

 

[Dunerunner]

That looks llike a transfer pump, designed for intermittent duty. Again, look at McMasters or Graingers for a continuous duty and an operating temperature range compatable with your glycol system. http://www.mcmaster.com/#centrifugal-pumps/=avimwg

 

[Misplaced_Canuck]

Have a look at Grainger... http://www.grainger.com/Grainger/pumps/ecatalog/N-bir

You may want to consider a separate pump and motor, and make sure that the motor is continuous duty...

M_C

 

[Strongbad52]

Try surpluscenter.com - they have a several flojet pumps that are self priming. Also agrisupply.com has some more flojet pumps for 55 - 60 bucks.

 

[Brewmoor]

This is becoming an impossible task. The best I can find has a temp range down to 45 degrees. I can not find anything that can handle the cold and is also continuous duty.

I have tried grainger, and McMaster Carr. I am just not sure what to look for next.

 

[EarthBound]

I suggest making a thread on probrewer.com, as well... in the equipment forum.