Two Way Motorised Ball Valve

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Re: Two Way Motorised Ball Valve

Postby wiifm » Tue Apr 25, 2017 11:41 am

Today and in the past week or so, I have finally pulled my finger out and done a couple of stripping runs on a neutral sugarhead, so bodgied together a reflux 'controller' to play with.

I have:
- PT100 sensor measuring temp above the four plates, but below the packed section - not ideal, but it is what I have
- pressure sensor measuring atmospheric pressure (for ABV calculation compensation)
- motor controller wired to two way motorised ball valve

Through the computer, I am able to set a target ABV. The temp and pressure readings are then used to calculated the ABV%. The Arduino has a PID program in it which varies the flow of coolant water through the RC in order to achieve the target ABV. I am able to manually change the P,I and D settings and visualise their effect on response.

Vids below





wiifm
 
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Re: Two Way Motorised Ball Valve

Postby bluc » Tue Apr 25, 2017 11:46 am

Awesome :handgestures-thumbupleft:
bluc
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equipment: 2" pot with 2" shotty 400mm long 5x 1/2" on a t500 boiler.
50l keg boiler 4" still mount 4" sight glass 1" drain..
4 plate 4" bubbler, 600mm packed section

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