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Old 08-31-2012, 12:42 AM   #21
Mar 2011
Beaumont, Tx
Posts: 143
Liked 3 Times on 2 Posts

I've not decided on the flow meter yet.

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Old 09-12-2012, 04:47 PM   #22
SweetSounds's Avatar
Jan 2010
Des Moines, Iowa
Posts: 1,425
Liked 20 Times on 19 Posts

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
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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