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Old 11-06-2012, 01:26 PM   #41
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If you're going for full automation you probably whirlpool or sanitize by pumping the wort back into the kettle at the top tangential to the kettle so it whirlpools. No sense in doing it manually if automation is the goal. You'd pump boiling wort in that scenario.

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Old 11-06-2012, 03:14 PM   #42
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Quote:
Originally Posted by Farside View Post
I found these guys recently. The best price so far that I've found.

$12.50 for a 1/2'' SS Solenoid valve
http://www.tf-valvefittings.com/goods-47.html

$21 for the motorized ball valve equivilent:
http://www.tf-valvefittings.com/goods-13.html

They take PayPal FWIW
These look great (and the price is right) anyone used them with Brewtroller? Which wiring did you order. From the OSCSYS store site it looks like they sell ones with the CR03 config.
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Old 11-07-2012, 01:56 PM   #43
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I used cr03, power is constant to valves and when trigger activated the valve opens. This works with spst relays

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Old 11-18-2012, 04:00 AM   #44
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So does anyone have any experience with tf-valvefittings.com? Even the 3-way valves are a really good price.

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Old 11-18-2012, 05:49 AM   #45
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Subbed. Will need two valves for propane soon. Brutus 10 here I come!

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Old 11-24-2012, 10:10 AM   #46
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My brewstand is ever evolving... PID temp control was up first, and now I'm going for valve control... then volume control (fill the HLT and Boil Kettle)... then velocity control (1 liter/minute sparge)... and then "finish" by tying it all together with full automation (BrewTroller, BCS-462, or some other).

I have a couple of questions on electronic valves, and excuse me if I sound a lot like I look...

1) What is the difference between an electronic valve and a solenoid valve? Both seem to do the same thing - open and close when told - but there's a significant difference in price, electronic being more expensive.

2) On the 3-Way L-Port Motorized Ball Valve, it looks like the flow is being directed one of two directions - either to the left or to the right (for the lack of better descriptors). Do they also shut off entirely, or are they always open to flow, and only the direction can change? I need a valve to either be closed (no flow), open-left (HLT), or open-right (MT). If the 3-way won't shut off, then I'll need to put a 2-way valve in front of it.

Thanks, all!
Michael

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Old 11-24-2012, 10:39 AM   #47
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As far as #2, I played that game and searched for a 3-way valve with 3 options (1/2/closed) and found nothing. So yes - two two-way valves are needed.

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Building a Bad News Brewery - eHERMS

2014:
5gal Scottish Wee Heavy
5gal Saison
15gal American Pale Ale
20gal Belgian Wit
10gal Oktoberfest
10gal Southern Pecan Ale

Keg 1: Apfelwein
Keg 2: Oktoberfest
Keg 3: American Pale Ale
Fermenting: Southern Pecan
On Deck: Winter Spice Ale
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Old 11-24-2012, 10:49 AM   #48
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Quote:
Originally Posted by BadNewsBrewery View Post
As far as #2, I played that game and searched for a 3-way valve with 3 options (1/2/closed) and found nothing. So yes - two two-way valves are needed.
How about an electronic 4-way valve?
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Coming Soon: An upgraded Blichmann 20-gallon, Kal-inspired, BCS-controlled, all-electric RIMS-based pico-brewery (by mid-Summer 2015, after the winter thaw, and the NHC, I swear!!)

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Old 11-24-2012, 12:28 PM   #49
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I'm not sure why there don't seem to be 3 way valves that have a shut-off position...seems very useful, and probably not *that* expensive to implement.

Solenoid valves typically have a small pin that shuts off flow...when you energize the solenoid it pulls the pin so that liquid flows. The problem is that they seem to all have very small ports...they may be 1/2 inch valves or whatever, but the hole for liquid to flow through is (at least in the one I ordered) about 1/16". The way this is set up will make this VERY hard to clean as well. I learned this after ordering one as I too just saw the cheap prices. I ended up ordering the electronic ball valves from the link earlier in this thread.

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Old 11-24-2012, 12:58 PM   #50
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This thread on Black Heart Brewery discusses the drawbacks of solenoid valves.


http://www.homebrewtalk.com/f11/auto...system-132119/

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