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Can I control a dosing pump flow using a fan control?

783 Views 3 Replies 3 Participants Last post by  shoeyal

I was wondering is it possible to control the flow off a dosing pump like that one:
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Using this fan controller?
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The only issue might lie in the stated input voltage of the pump. It shows 12V instead of a variable input. Most motors like that will work with a varied input voltage, such as the fans, but that isn't universal.
You could use a PWM device to control the 12V to the pump. ? View topic - Cheap peristaltic pump!

The diode and capacitor is to prevent backward current since motors will generate current.

They make brushless pumps too if you want a very long lasting pump.

As for the Fan controller, it'll work but not sure how accurate it is in controlling the pump.
I think I just go with a seconds timer relay.

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