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Old 08-31-2012, 12:42 AM   #21
SMc0724
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Mar 2011
Beaumont, Tx
Posts: 143
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I've not decided on the flow meter yet.

 
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Old 09-12-2012, 04:47 PM   #22
SweetSounds
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Jan 2010
Des Moines, Iowa
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Late to the conversation, but is there any reason any electric ball valve with manual override couldn't be used?

The manual override should just be a "Knob" on the top that rotates with actuation right?
Thinking something like this: http://www.oscsys.com/store/product/291

Then figure out a way to couple a rotary encoder to the manual knob to sense the real world position of the valve? http://www.oscsys.com/store/product/1001689

Parsing the output from the encoder should be a lot easier than all the crap you need to do to make a 0-10v transition with the controller.

But then again, I'm just guessing
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Originally Posted by Ecnerwal View Post
What does the primary pressure gauge on the tank tell us? That's right, the temperature. Put it on a scale if you want to know how much is in it...
Put some duct tape over the gauge - Or better yet - Replace the high pressure gauge with a plug - High pressure gauges are useless!

 
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