Pnuematic control systems

[atlas0821]

I am looking for any good information on pneumatic instrument control systems. I am working on an offshore oil and gas application and all of the instruments are pnuematic. This is an older platform. I am not very familiar with pnuematic instruments and just looking for any free pdfs or anything that would assist in knowing more about these type of instruments. Thanks!

 

[JLSeagull]

See the reply in control systems regarding Foxboro, Fisher and Yokogawa.

 

[FrancisL]

We used to call them Huff and Puff. They are of course intrinsically safe The first PID controller I saw used bellows and nozzles!
see also

http://www.controlglobal.com/articles/2007/075.html

 

[Ashereng]

atlas0821,

Please don't double post. It fagments the responses.

If you wish, include a link to your primary post, so that all responders respond to a single posting.


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