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Old 12-03-2010, 08:43 PM   #11
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Thanks for some input. I have had a close eye on the valves you posted made from a Chinese group called KLD. The actuators on those seems like a perfect fit, I just wish they had a ISO mounting pad to them. Might order 1 anyways to see what I can make from it, if I fail at least I have 1 actuated valve.

I had previously reviewed the torques for several valves and was thinking down the path of using a 12v windshield wiper motor to actuate them. As you stated though, building my own would not be nearly as time effective!
If you are interested in seeing the drive mechanism and mounting pad, I can easily take the actuator off one of the valves for you and snap some pics.

I'm actually thinking about using one of these actuators to drive a door lock mechanism for our dog door.

Edit - here's a pic, I had a valve sitting right here.
automated_ball_valve_mounting.jpg


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Old 12-03-2010, 08:54 PM   #12
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If you are interested in seeing the drive mechanism and mounting pad, I can easily take the actuator off one of the valves for you and snap some pics.

I'm actually thinking about using one of these actuators to drive a door lock mechanism for our dog door.
If you could ever find the time to take one a part and snap some pictures I would be greatly appreciative.

I have ordered a couple test actuators from a source that I can't name just yet (quantities are limited and if they work I will need more), I will post on how they turn out. Should have them in hand sometime next week.


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Old 12-03-2010, 08:56 PM   #13
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Are you looking for more than just the drive mounting? Did you want internal pics of the motor?

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Old 12-03-2010, 09:10 PM   #14
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Here's a picture of the inside circuit board and limiting sensors.

You can see the round plastic base has a detent in it. That makes contact with micro switches to determine the open close position. There's nothing there for proportional sensing.

Everything under the circuit board is the motor and gear drive mechanism (multiple step up / step down gears).

automated_ball_valve_circuit.jpg

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Old 12-03-2010, 09:19 PM   #15
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Have you tried adapting a 12 volt sprinkler actuator valve?

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Old 12-03-2010, 10:59 PM   #16
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Have you tried adapting a 12 volt sprinkler actuator valve?
They are diaphragm pilot-operated valves, and as such are _extremely_ prone to clogging. I wouldn't use them for anything other than water.
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Old 12-04-2010, 02:26 AM   #17
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Here's a picture of the inside circuit board and limiting sensors.

Attachment 18198
Thanks for posting that picture! There is the possibility that these actuators could be mated to an ISO pad but it would take some work and custom brackets.

The actuated valves I ordered appear to have an ISO pad on them... time will tell.
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Old 12-04-2010, 06:27 PM   #18
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JonW,
That's a good point. I was also considering using cheap on/off valves at the entry/exit points of the kegs to automate the flow path, and maybe a single proportional valve (automated or manual) immediately after the pump to adjust flow rate.

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Old 12-05-2010, 03:38 AM   #19
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Hey guys, just thought I'd add this link. I think I found it in another thread a while back. I've never used them or ordered from the company, but the Belimo valves look like they'd work. You can get them in on/off, floating or modulating control. They're listed at $90.

http://www.icsiparts.com/product/BVLV-0054/Belimo-B211TR24-3-US.html

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Old 12-05-2010, 04:21 AM   #20
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Originally Posted by P-Lay View Post
Hey guys, just thought I'd add this link. I think I found it in another thread a while back. I've never used them or ordered from the company, but the Belimo valves look like they'd work. You can get them in on/off, floating or modulating control. They're listed at $90.

http://www.icsiparts.com/product/BVLV-0054/Belimo-B211TR24-3-US.html
The actuators on those Belimo valves look very similar to the ones I just purchased, can't wait to see how they work.


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Secondaries: Lakefront India Brown Ale

On Tap 1: Rootbeer, On Tap 2: NB White ouse Honey Ale, On Tap 3: Nitrogen, On Tap 4: Air, On Tap 5: Air
On Deck: DIPA, Imp Stout, Porter, Wheat, Black IPA

"No sense having empty carboys around when full ones take up just as much space. " - Me
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