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how to design electronic automatic pressure controller

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hemnath

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I want to design an electronic automatic pressure controller.

Lets say the Input pressure = 7 bar.

I would like to vary the input pressure from 0 to 7 bar. Which motor and valves can be used. Please recommend

Thanks in advance.
 

hello,

What is the flow value ? M3/min M3/H less ..
for low flow troughput as in pneumatic control, you can use an analog servo valve transducer
commande is 4 to 20mA (or 0 -10V) => output 0 to 7 bar (70Kpa) but with very low flow
to act on a cylinder or mechanical device.
 

Possibilities:

* An automatic blood pressure tester contains both an air pump and a valve to release air. Both are controlled electrically. Power supply is 3V.

* Electric automobile tire inflator. Power supply is 12V.
 

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