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Old 05-12-2010, 09:32 PM   #1
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Default Upgrading a plastic conical

I picked up a used Affordable Conical (, but it's an older one and does not have the racking valve. That means you have to get the trub really well cleaned out before dumping the beer. I would like to add a rotating racking arm to it. I'm really on the fence about this. I think I need to use tri-clamp hardware to get a rotating arm, and that stuff is EXPENSIVE. At the end of the day, I'd still have a plastic fermenter, and if I also replaced the dump valve with a stainless one, the hardware would be worth more than the damn tank.

Is there a cheaper way to add a rotating arm to this thing that's still easy to keep sanitary?

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Old 05-12-2010, 09:40 PM   #2
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You don't have to have a rotating arm. Just install a racking arm about 1"-2" above the bottom of the conical & dump your yeast. It creates sort of a funnel in the yeast & the racking arm sits inside the funnel. When I built mine I used a 1/2" polypropylene ball valve, a bulkhead fitting, polyethylene tubing & a 90 degree fitting. Got all the parts at a Farm Store. The ball valve was ~$20. The rest was chump change.
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