Saturday, April 13, 2013

Pneumatic Applications - Bio-diesel "Wash Column" Temperature Control


Pneumatic temperature, flow, and level control systems have all been manufactured to use the
same principle of 3-15 PSI air pressure signaling. In each case, the transmitter and controller are both
supplied clean compressed air at some nominal pressure (20 to 25 PSI, usually) and the instrument
signals travel via tubing.


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